Home / 565,378,881.40-847,438,466.10-220,217,793.40

Finding the Fourth Proportional to 565,378,881.40, 847,438,466.10 and 220,217,793.40

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Solution

The fourth proportional to 565,378,881.40, 847,438,466.10 and 220,217,793.40 is: 330,081,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,378,881.40 : 847,438,466.10 = 220,217,793.40 : x
  2. Step 2: Convert to fraction form
    565,378,881.40/847,438,466.10 = 220,217,793.40/x
  3. Step 3: Cross multiply
    565,378,881.40x = 847,438,466.10 × 220,217,793.40
  4. Step 4: Simplify right side
    565,378,881.40x = 186,621,029,046,822,720
  5. Step 5: Solve for x
    x = 186,621,029,046,822,720/565,378,881.40
  6. Step 6: Final answer
    x = 330,081,358.16

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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.