Home / 13,901,256,132.60-20,851,884,198.90-12,758,445,406.20

Finding the Fourth Proportional to 13,901,256,132.60, 20,851,884,198.90 and 12,758,445,406.20

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Solution

The fourth proportional to 13,901,256,132.60, 20,851,884,198.90 and 12,758,445,406.20 is: 19,137,668,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901,256,132.60 : 20,851,884,198.90 = 12,758,445,406.20 : x
  2. Step 2: Convert to fraction form
    13,901,256,132.60/20,851,884,198.90 = 12,758,445,406.20/x
  3. Step 3: Cross multiply
    13,901,256,132.60x = 20,851,884,198.90 × 12,758,445,406.20
  4. Step 4: Simplify right side
    13,901,256,132.60x = 266,037,626,168,070,111,232
  5. Step 5: Solve for x
    x = 266,037,626,168,070,111,232/13,901,256,132.60
  6. Step 6: Final answer
    x = 19,137,668,109.30

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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.