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Finding the Fourth Proportional to 569,757,862.40, 854,636,793.60 and 563,711,244.80

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Solution

The fourth proportional to 569,757,862.40, 854,636,793.60 and 563,711,244.80 is: 845,566,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,757,862.40 : 854,636,793.60 = 563,711,244.80 : x
  2. Step 2: Convert to fraction form
    569,757,862.40/854,636,793.60 = 563,711,244.80/x
  3. Step 3: Cross multiply
    569,757,862.40x = 854,636,793.60 × 563,711,244.80
  4. Step 4: Simplify right side
    569,757,862.40x = 481,768,370,772,136,640
  5. Step 5: Solve for x
    x = 481,768,370,772,136,640/569,757,862.40
  6. Step 6: Final answer
    x = 845,566,867.20

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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.