Home / 20,861,351,890.34-31,292,221,534.06-5,938,516,934.78

Finding the Fourth Proportional to 20,861,351,890.34, 31,292,221,534.06 and 5,938,516,934.78

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Solution

The fourth proportional to 20,861,351,890.34, 31,292,221,534.06 and 5,938,516,934.78 is: 8,907,830,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,351,890.34 : 31,292,221,534.06 = 5,938,516,934.78 : x
  2. Step 2: Convert to fraction form
    20,861,351,890.34/31,292,221,534.06 = 5,938,516,934.78/x
  3. Step 3: Cross multiply
    20,861,351,890.34x = 31,292,221,534.06 × 5,938,516,934.78
  4. Step 4: Simplify right side
    20,861,351,890.34x = 185,829,387,506,902,695,936
  5. Step 5: Solve for x
    x = 185,829,387,506,902,695,936/20,861,351,890.34
  6. Step 6: Final answer
    x = 8,907,830,541.56

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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.