Home / 715,670,001.20-1,072,875,145.80-484,890,762.80

Finding the Fourth Proportional to 715,670,001.20, 1,072,875,145.80 and 484,890,762.80

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Solution

The fourth proportional to 715,670,001.20, 1,072,875,145.80 and 484,890,762.80 is: 726,909,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,670,001.20 : 1,072,875,145.80 = 484,890,762.80 : x
  2. Step 2: Convert to fraction form
    715,670,001.20/1,072,875,145.80 = 484,890,762.80/x
  3. Step 3: Cross multiply
    715,670,001.20x = 1,072,875,145.80 × 484,890,762.80
  4. Step 4: Simplify right side
    715,670,001.20x = 520,227,247,836,123,200
  5. Step 5: Solve for x
    x = 520,227,247,836,123,200/715,670,001.20
  6. Step 6: Final answer
    x = 726,909,395.34

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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.