Home / 9,124,948,383.74-12,588,417,511.28-5,505,953,518.38

Finding the Fourth Proportional to 9,124,948,383.74, 12,588,417,511.28 and 5,505,953,518.38

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Solution

The fourth proportional to 9,124,948,383.74, 12,588,417,511.28 and 5,505,953,518.38 is: 7,595,795,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124,948,383.74 : 12,588,417,511.28 = 5,505,953,518.38 : x
  2. Step 2: Convert to fraction form
    9,124,948,383.74/12,588,417,511.28 = 5,505,953,518.38/x
  3. Step 3: Cross multiply
    9,124,948,383.74x = 12,588,417,511.28 × 5,505,953,518.38
  4. Step 4: Simplify right side
    9,124,948,383.74x = 69,311,241,687,134,609,408
  5. Step 5: Solve for x
    x = 69,311,241,687,134,609,408/9,124,948,383.74
  6. Step 6: Final answer
    x = 7,595,795,479.86

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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.