Home / 12,415,707,981.70-18,623,386,590.51-5,779,625,472.34

Finding the Fourth Proportional to 12,415,707,981.70, 18,623,386,590.51 and 5,779,625,472.34

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Solution

The fourth proportional to 12,415,707,981.70, 18,623,386,590.51 and 5,779,625,472.34 is: 8,669,356,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,707,981.70 : 18,623,386,590.51 = 5,779,625,472.34 : x
  2. Step 2: Convert to fraction form
    12,415,707,981.70/18,623,386,590.51 = 5,779,625,472.34/x
  3. Step 3: Cross multiply
    12,415,707,981.70x = 18,623,386,590.51 × 5,779,625,472.34
  4. Step 4: Simplify right side
    12,415,707,981.70x = 107,636,199,519,746,768,896
  5. Step 5: Solve for x
    x = 107,636,199,519,746,768,896/12,415,707,981.70
  6. Step 6: Final answer
    x = 8,669,356,566.57

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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.