Home / 683,160,606.72-942,762,082.10-369,895,032.90

Finding the Fourth Proportional to 683,160,606.72, 942,762,082.10 and 369,895,032.90

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Solution

The fourth proportional to 683,160,606.72, 942,762,082.10 and 369,895,032.90 is: 510,455,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,160,606.72 : 942,762,082.10 = 369,895,032.90 : x
  2. Step 2: Convert to fraction form
    683,160,606.72/942,762,082.10 = 369,895,032.90/x
  3. Step 3: Cross multiply
    683,160,606.72x = 942,762,082.10 × 369,895,032.90
  4. Step 4: Simplify right side
    683,160,606.72x = 348,723,011,375,251,968
  5. Step 5: Solve for x
    x = 348,723,011,375,251,968/683,160,606.72
  6. Step 6: Final answer
    x = 510,455,386.25

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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.