Home / 20,861,351,885.34-31,292,221,526.55-5,938,516,929.78

Finding the Fourth Proportional to 20,861,351,885.34, 31,292,221,526.55 and 5,938,516,929.78

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Solution

The fourth proportional to 20,861,351,885.34, 31,292,221,526.55 and 5,938,516,929.78 is: 8,907,830,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,351,885.34 : 31,292,221,526.55 = 5,938,516,929.78 : x
  2. Step 2: Convert to fraction form
    20,861,351,885.34/31,292,221,526.55 = 5,938,516,929.78/x
  3. Step 3: Cross multiply
    20,861,351,885.34x = 31,292,221,526.55 × 5,938,516,929.78
  4. Step 4: Simplify right side
    20,861,351,885.34x = 185,829,387,305,843,326,976
  5. Step 5: Solve for x
    x = 185,829,387,305,843,326,976/20,861,351,885.34
  6. Step 6: Final answer
    x = 8,907,830,534.05

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1.5x scale

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.