Home / 12,415,707,913.14-18,623,386,487.88-5,779,625,403.78

Finding the Fourth Proportional to 12,415,707,913.14, 18,623,386,487.88 and 5,779,625,403.78

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Solution

The fourth proportional to 12,415,707,913.14, 18,623,386,487.88 and 5,779,625,403.78 is: 8,669,356,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,707,913.14 : 18,623,386,487.88 = 5,779,625,403.78 : x
  2. Step 2: Convert to fraction form
    12,415,707,913.14/18,623,386,487.88 = 5,779,625,403.78/x
  3. Step 3: Cross multiply
    12,415,707,913.14x = 18,623,386,487.88 × 5,779,625,403.78
  4. Step 4: Simplify right side
    12,415,707,913.14x = 107,636,197,649,764,450,304
  5. Step 5: Solve for x
    x = 107,636,197,649,764,450,304/12,415,707,913.14
  6. Step 6: Final answer
    x = 8,669,356,463.83

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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.