Home / 551,440,610.70-826,310,610.45-478,314,329.10

Finding the Fourth Proportional to 551,440,610.70, 826,310,610.45 and 478,314,329.10

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Solution

The fourth proportional to 551,440,610.70, 826,310,610.45 and 478,314,329.10 is: 716,733,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,440,610.70 : 826,310,610.45 = 478,314,329.10 : x
  2. Step 2: Convert to fraction form
    551,440,610.70/826,310,610.45 = 478,314,329.10/x
  3. Step 3: Cross multiply
    551,440,610.70x = 826,310,610.45 × 478,314,329.10
  4. Step 4: Simplify right side
    551,440,610.70x = 395,236,205,265,603,264
  5. Step 5: Solve for x
    x = 395,236,205,265,603,264/551,440,610.70
  6. Step 6: Final answer
    x = 716,733,946.68

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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.