Home / 30,143,845,002.30-45,215,767,503.45-12,451,642,671.30

Finding the Fourth Proportional to 30,143,845,002.30, 45,215,767,503.45 and 12,451,642,671.30

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Solution

The fourth proportional to 30,143,845,002.30, 45,215,767,503.45 and 12,451,642,671.30 is: 18,677,464,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143,845,002.30 : 45,215,767,503.45 = 12,451,642,671.30 : x
  2. Step 2: Convert to fraction form
    30,143,845,002.30/45,215,767,503.45 = 12,451,642,671.30/x
  3. Step 3: Cross multiply
    30,143,845,002.30x = 45,215,767,503.45 × 12,451,642,671.30
  4. Step 4: Simplify right side
    30,143,845,002.30x = 563,010,580,061,537,828,864
  5. Step 5: Solve for x
    x = 563,010,580,061,537,828,864/30,143,845,002.30
  6. Step 6: Final answer
    x = 18,677,464,006.95

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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.