Home / 13,457,753,996.40-20,204,806,276.80-7,867,419,829.20

Finding the Fourth Proportional to 13,457,753,996.40, 20,204,806,276.80 and 7,867,419,829.20

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Solution

The fourth proportional to 13,457,753,996.40, 20,204,806,276.80 and 7,867,419,829.20 is: 11,811,755,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,753,996.40 : 20,204,806,276.80 = 7,867,419,829.20 : x
  2. Step 2: Convert to fraction form
    13,457,753,996.40/20,204,806,276.80 = 7,867,419,829.20/x
  3. Step 3: Cross multiply
    13,457,753,996.40x = 20,204,806,276.80 × 7,867,419,829.20
  4. Step 4: Simplify right side
    13,457,753,996.40x = 158,959,693,547,240,947,712
  5. Step 5: Solve for x
    x = 158,959,693,547,240,947,712/13,457,753,996.40
  6. Step 6: Final answer
    x = 11,811,755,036.52

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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.