Home / 1,382,630,542.05-1,908,178,014.17-847,137,585.34

Finding the Fourth Proportional to 1,382,630,542.05, 1,908,178,014.17 and 847,137,585.34

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Solution

The fourth proportional to 1,382,630,542.05, 1,908,178,014.17 and 847,137,585.34 is: 1,169,140,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,630,542.05 : 1,908,178,014.17 = 847,137,585.34 : x
  2. Step 2: Convert to fraction form
    1,382,630,542.05/1,908,178,014.17 = 847,137,585.34/x
  3. Step 3: Cross multiply
    1,382,630,542.05x = 1,908,178,014.17 × 847,137,585.34
  4. Step 4: Simplify right side
    1,382,630,542.05x = 1,616,489,315,322,850,304
  5. Step 5: Solve for x
    x = 1,616,489,315,322,850,304/1,382,630,542.05
  6. Step 6: Final answer
    x = 1,169,140,465.34

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Half scale
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Double scale
Find fourth proportional to 1,382,630,543.05, 1,908,178,015.55 and 847,137,586.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.