Home / 699,532,920.62-965,006,755.98-417,076,155.26

Finding the Fourth Proportional to 699,532,920.62, 965,006,755.98 and 417,076,155.26

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Solution

The fourth proportional to 699,532,920.62, 965,006,755.98 and 417,076,155.26 is: 575,357,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,532,920.62 : 965,006,755.98 = 417,076,155.26 : x
  2. Step 2: Convert to fraction form
    699,532,920.62/965,006,755.98 = 417,076,155.26/x
  3. Step 3: Cross multiply
    699,532,920.62x = 965,006,755.98 × 417,076,155.26
  4. Step 4: Simplify right side
    699,532,920.62x = 402,481,307,584,063,424
  5. Step 5: Solve for x
    x = 402,481,307,584,063,424/699,532,920.62
  6. Step 6: Final answer
    x = 575,357,207.25

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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.