Home / 28,478,078,945.36-42,712,960,306.88-8,304,083,681.84

Finding the Fourth Proportional to 28,478,078,945.36, 42,712,960,306.88 and 8,304,083,681.84

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Solution

The fourth proportional to 28,478,078,945.36, 42,712,960,306.88 and 8,304,083,681.84 is: 12,454,913,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,478,078,945.36 : 42,712,960,306.88 = 8,304,083,681.84 : x
  2. Step 2: Convert to fraction form
    28,478,078,945.36/42,712,960,306.88 = 8,304,083,681.84/x
  3. Step 3: Cross multiply
    28,478,078,945.36x = 42,712,960,306.88 × 8,304,083,681.84
  4. Step 4: Simplify right side
    28,478,078,945.36x = 354,691,996,687,441,854,464
  5. Step 5: Solve for x
    x = 354,691,996,687,441,854,464/28,478,078,945.36
  6. Step 6: Final answer
    x = 12,454,913,035.67

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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.