Home / 20,902,464,000.35-31,353,696,000.53-19,306,156,953.95

Finding the Fourth Proportional to 20,902,464,000.35, 31,353,696,000.53 and 19,306,156,953.95

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Solution

The fourth proportional to 20,902,464,000.35, 31,353,696,000.53 and 19,306,156,953.95 is: 28,959,235,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,464,000.35 : 31,353,696,000.53 = 19,306,156,953.95 : x
  2. Step 2: Convert to fraction form
    20,902,464,000.35/31,353,696,000.53 = 19,306,156,953.95/x
  3. Step 3: Cross multiply
    20,902,464,000.35x = 31,353,696,000.53 × 19,306,156,953.95
  4. Step 4: Simplify right side
    20,902,464,000.35x = 605,319,376,072,570,044,416
  5. Step 5: Solve for x
    x = 605,319,376,072,570,044,416/20,902,464,000.35
  6. Step 6: Final answer
    x = 28,959,235,430.93

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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.