Home / 1,093,798,974.12-1,640,700,983.38-630,488,461.21

Finding the Fourth Proportional to 1,093,798,974.12, 1,640,700,983.38 and 630,488,461.21

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Solution

The fourth proportional to 1,093,798,974.12, 1,640,700,983.38 and 630,488,461.21 is: 945,734,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,798,974.12 : 1,640,700,983.38 = 630,488,461.21 : x
  2. Step 2: Convert to fraction form
    1,093,798,974.12/1,640,700,983.38 = 630,488,461.21/x
  3. Step 3: Cross multiply
    1,093,798,974.12x = 1,640,700,983.38 × 630,488,461.21
  4. Step 4: Simplify right side
    1,093,798,974.12x = 1,034,443,038,310,053,888
  5. Step 5: Solve for x
    x = 1,034,443,038,310,053,888/1,093,798,974.12
  6. Step 6: Final answer
    x = 945,734,145.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.