Home / 697,615,423.92-1,046,388,352.32-260,884,000.80

Finding the Fourth Proportional to 697,615,423.92, 1,046,388,352.32 and 260,884,000.80

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Solution

The fourth proportional to 697,615,423.92, 1,046,388,352.32 and 260,884,000.80 is: 391,312,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,615,423.92 : 1,046,388,352.32 = 260,884,000.80 : x
  2. Step 2: Convert to fraction form
    697,615,423.92/1,046,388,352.32 = 260,884,000.80/x
  3. Step 3: Cross multiply
    697,615,423.92x = 1,046,388,352.32 × 260,884,000.80
  4. Step 4: Simplify right side
    697,615,423.92x = 272,985,979,743,761,600
  5. Step 5: Solve for x
    x = 272,985,979,743,761,600/697,615,423.92
  6. Step 6: Final answer
    x = 391,312,993.35

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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.