Home / 518,323,179.90-777,484,769.85-503,974,272.90

Finding the Fourth Proportional to 518,323,179.90, 777,484,769.85 and 503,974,272.90

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Solution

The fourth proportional to 518,323,179.90, 777,484,769.85 and 503,974,272.90 is: 755,961,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,323,179.90 : 777,484,769.85 = 503,974,272.90 : x
  2. Step 2: Convert to fraction form
    518,323,179.90/777,484,769.85 = 503,974,272.90/x
  3. Step 3: Cross multiply
    518,323,179.90x = 777,484,769.85 × 503,974,272.90
  4. Step 4: Simplify right side
    518,323,179.90x = 391,832,321,575,977,600
  5. Step 5: Solve for x
    x = 391,832,321,575,977,600/518,323,179.90
  6. Step 6: Final answer
    x = 755,961,409.35

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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.