Home / 12,779,605,193.58-17,636,536,419.39-7,140,957,921.90

Finding the Fourth Proportional to 12,779,605,193.58, 17,636,536,419.39 and 7,140,957,921.90

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Solution

The fourth proportional to 12,779,605,193.58, 17,636,536,419.39 and 7,140,957,921.90 is: 9,854,902,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,605,193.58 : 17,636,536,419.39 = 7,140,957,921.90 : x
  2. Step 2: Convert to fraction form
    12,779,605,193.58/17,636,536,419.39 = 7,140,957,921.90/x
  3. Step 3: Cross multiply
    12,779,605,193.58x = 17,636,536,419.39 × 7,140,957,921.90
  4. Step 4: Simplify right side
    12,779,605,193.58x = 125,941,764,458,920,869,888
  5. Step 5: Solve for x
    x = 125,941,764,458,920,869,888/12,779,605,193.58
  6. Step 6: Final answer
    x = 9,854,902,600.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.