Home / 743,172,363.98-1,025,607,412.67-408,672,310.49

Finding the Fourth Proportional to 743,172,363.98, 1,025,607,412.67 and 408,672,310.49

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Solution

The fourth proportional to 743,172,363.98, 1,025,607,412.67 and 408,672,310.49 is: 563,984,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,172,363.98 : 1,025,607,412.67 = 408,672,310.49 : x
  2. Step 2: Convert to fraction form
    743,172,363.98/1,025,607,412.67 = 408,672,310.49/x
  3. Step 3: Cross multiply
    743,172,363.98x = 1,025,607,412.67 × 408,672,310.49
  4. Step 4: Simplify right side
    743,172,363.98x = 419,137,350,984,348,416
  5. Step 5: Solve for x
    x = 419,137,350,984,348,416/743,172,363.98
  6. Step 6: Final answer
    x = 563,984,038.30

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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.