Home / 507,643,338.60-761,465,007.90-162,608,221.80

Finding the Fourth Proportional to 507,643,338.60, 761,465,007.90 and 162,608,221.80

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Solution

The fourth proportional to 507,643,338.60, 761,465,007.90 and 162,608,221.80 is: 243,912,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,643,338.60 : 761,465,007.90 = 162,608,221.80 : x
  2. Step 2: Convert to fraction form
    507,643,338.60/761,465,007.90 = 162,608,221.80/x
  3. Step 3: Cross multiply
    507,643,338.60x = 761,465,007.90 × 162,608,221.80
  4. Step 4: Simplify right side
    507,643,338.60x = 123,820,470,897,541,952
  5. Step 5: Solve for x
    x = 123,820,470,897,541,952/507,643,338.60
  6. Step 6: Final answer
    x = 243,912,332.70

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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.