Home / 745,441,038.28-1,028,700,250.80-406,342,082.82

Finding the Fourth Proportional to 745,441,038.28, 1,028,700,250.80 and 406,342,082.82

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Solution

The fourth proportional to 745,441,038.28, 1,028,700,250.80 and 406,342,082.82 is: 560,747,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,441,038.28 : 1,028,700,250.80 = 406,342,082.82 : x
  2. Step 2: Convert to fraction form
    745,441,038.28/1,028,700,250.80 = 406,342,082.82/x
  3. Step 3: Cross multiply
    745,441,038.28x = 1,028,700,250.80 × 406,342,082.82
  4. Step 4: Simplify right side
    745,441,038.28x = 418,004,202,509,852,160
  5. Step 5: Solve for x
    x = 418,004,202,509,852,160/745,441,038.28
  6. Step 6: Final answer
    x = 560,747,505.23

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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.