Home / 978,996,380.59-1,468,063,644.04-518,826,736.27

Finding the Fourth Proportional to 978,996,380.59, 1,468,063,644.04 and 518,826,736.27

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Solution

The fourth proportional to 978,996,380.59, 1,468,063,644.04 and 518,826,736.27 is: 778,011,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,996,380.59 : 1,468,063,644.04 = 518,826,736.27 : x
  2. Step 2: Convert to fraction form
    978,996,380.59/1,468,063,644.04 = 518,826,736.27/x
  3. Step 3: Cross multiply
    978,996,380.59x = 1,468,063,644.04 × 518,826,736.27
  4. Step 4: Simplify right side
    978,996,380.59x = 761,670,669,070,868,608
  5. Step 5: Solve for x
    x = 761,670,669,070,868,608/978,996,380.59
  6. Step 6: Final answer
    x = 778,011,731.38

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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.