Home / 1,382,630,538.06-1,908,178,008.63-847,137,581.31

Finding the Fourth Proportional to 1,382,630,538.06, 1,908,178,008.63 and 847,137,581.31

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Solution

The fourth proportional to 1,382,630,538.06, 1,908,178,008.63 and 847,137,581.31 is: 1,169,140,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,630,538.06 : 1,908,178,008.63 = 847,137,581.31 : x
  2. Step 2: Convert to fraction form
    1,382,630,538.06/1,908,178,008.63 = 847,137,581.31/x
  3. Step 3: Cross multiply
    1,382,630,538.06x = 1,908,178,008.63 × 847,137,581.31
  4. Step 4: Simplify right side
    1,382,630,538.06x = 1,616,489,302,939,750,400
  5. Step 5: Solve for x
    x = 1,616,489,302,939,750,400/1,382,630,538.06
  6. Step 6: Final answer
    x = 1,169,140,459.76

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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.