Home / 551,442,506.70-826,313,454.45-478,316,225.10

Finding the Fourth Proportional to 551,442,506.70, 826,313,454.45 and 478,316,225.10

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Solution

The fourth proportional to 551,442,506.70, 826,313,454.45 and 478,316,225.10 is: 716,736,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,442,506.70 : 826,313,454.45 = 478,316,225.10 : x
  2. Step 2: Convert to fraction form
    551,442,506.70/826,313,454.45 = 478,316,225.10/x
  3. Step 3: Cross multiply
    551,442,506.70x = 826,313,454.45 × 478,316,225.10
  4. Step 4: Simplify right side
    551,442,506.70x = 395,239,132,281,864,832
  5. Step 5: Solve for x
    x = 395,239,132,281,864,832/551,442,506.70
  6. Step 6: Final answer
    x = 716,736,790.29

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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.