Home / 403,898,217.95-604,998,887.77-256,269,787.89

Finding the Fourth Proportional to 403,898,217.95, 604,998,887.77 and 256,269,787.89

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Solution

The fourth proportional to 403,898,217.95, 604,998,887.77 and 256,269,787.89 is: 383,866,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,898,217.95 : 604,998,887.77 = 256,269,787.89 : x
  2. Step 2: Convert to fraction form
    403,898,217.95/604,998,887.77 = 256,269,787.89/x
  3. Step 3: Cross multiply
    403,898,217.95x = 604,998,887.77 × 256,269,787.89
  4. Step 4: Simplify right side
    403,898,217.95x = 155,042,936,643,955,488
  5. Step 5: Solve for x
    x = 155,042,936,643,955,488/403,898,217.95
  6. Step 6: Final answer
    x = 383,866,354.82

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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.