Home / 20,861,351,841.84-31,292,221,461.26-5,938,516,886.24

Finding the Fourth Proportional to 20,861,351,841.84, 31,292,221,461.26 and 5,938,516,886.24

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Solution

The fourth proportional to 20,861,351,841.84, 31,292,221,461.26 and 5,938,516,886.24 is: 8,907,830,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,351,841.84 : 31,292,221,461.26 = 5,938,516,886.24 : x
  2. Step 2: Convert to fraction form
    20,861,351,841.84/31,292,221,461.26 = 5,938,516,886.24/x
  3. Step 3: Cross multiply
    20,861,351,841.84x = 31,292,221,461.26 × 5,938,516,886.24
  4. Step 4: Simplify right side
    20,861,351,841.84x = 185,829,385,555,468,091,392
  5. Step 5: Solve for x
    x = 185,829,385,555,468,091,392/20,861,351,841.84
  6. Step 6: Final answer
    x = 8,907,830,468.72

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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.