Home / 540,735,777.90-811,103,666.85-358,982,955.90

Finding the Fourth Proportional to 540,735,777.90, 811,103,666.85 and 358,982,955.90

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Solution

The fourth proportional to 540,735,777.90, 811,103,666.85 and 358,982,955.90 is: 538,474,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,735,777.90 : 811,103,666.85 = 358,982,955.90 : x
  2. Step 2: Convert to fraction form
    540,735,777.90/811,103,666.85 = 358,982,955.90/x
  3. Step 3: Cross multiply
    540,735,777.90x = 811,103,666.85 × 358,982,955.90
  4. Step 4: Simplify right side
    540,735,777.90x = 291,172,391,867,141,824
  5. Step 5: Solve for x
    x = 291,172,391,867,141,824/540,735,777.90
  6. Step 6: Final answer
    x = 538,474,433.85

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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.