Home / 885,732,401.30-1,328,598,601.95-425,559,607.70

Finding the Fourth Proportional to 885,732,401.30, 1,328,598,601.95 and 425,559,607.70

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Solution

The fourth proportional to 885,732,401.30, 1,328,598,601.95 and 425,559,607.70 is: 638,339,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,732,401.30 : 1,328,598,601.95 = 425,559,607.70 : x
  2. Step 2: Convert to fraction form
    885,732,401.30/1,328,598,601.95 = 425,559,607.70/x
  3. Step 3: Cross multiply
    885,732,401.30x = 1,328,598,601.95 × 425,559,607.70
  4. Step 4: Simplify right side
    885,732,401.30x = 565,397,899,836,610,432
  5. Step 5: Solve for x
    x = 565,397,899,836,610,432/885,732,401.30
  6. Step 6: Final answer
    x = 638,339,411.55

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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.