Home / 901,327,368.56-1,240,940,942.13-702,834,155.06

Finding the Fourth Proportional to 901,327,368.56, 1,240,940,942.13 and 702,834,155.06

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Solution

The fourth proportional to 901,327,368.56, 1,240,940,942.13 and 702,834,155.06 is: 967,656,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,327,368.56 : 1,240,940,942.13 = 702,834,155.06 : x
  2. Step 2: Convert to fraction form
    901,327,368.56/1,240,940,942.13 = 702,834,155.06/x
  3. Step 3: Cross multiply
    901,327,368.56x = 1,240,940,942.13 × 702,834,155.06
  4. Step 4: Simplify right side
    901,327,368.56x = 872,175,678,535,094,272
  5. Step 5: Solve for x
    x = 872,175,678,535,094,272/901,327,368.56
  6. Step 6: Final answer
    x = 967,656,934.61

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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.