Home / 5,158,656,001.70-7,737,984,002.55-1,281,262,465.70

Finding the Fourth Proportional to 5,158,656,001.70, 7,737,984,002.55 and 1,281,262,465.70

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Solution

The fourth proportional to 5,158,656,001.70, 7,737,984,002.55 and 1,281,262,465.70 is: 1,921,893,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,656,001.70 : 7,737,984,002.55 = 1,281,262,465.70 : x
  2. Step 2: Convert to fraction form
    5,158,656,001.70/7,737,984,002.55 = 1,281,262,465.70/x
  3. Step 3: Cross multiply
    5,158,656,001.70x = 7,737,984,002.55 × 1,281,262,465.70
  4. Step 4: Simplify right side
    5,158,656,001.70x = 9,914,388,462,654,367,744
  5. Step 5: Solve for x
    x = 9,914,388,462,654,367,744/5,158,656,001.70
  6. Step 6: Final answer
    x = 1,921,893,698.55

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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.