Home / 18,541,248,985.60-27,811,873,478.40-16,854,242,675.20

Finding the Fourth Proportional to 18,541,248,985.60, 27,811,873,478.40 and 16,854,242,675.20

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Solution

The fourth proportional to 18,541,248,985.60, 27,811,873,478.40 and 16,854,242,675.20 is: 25,281,364,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541,248,985.60 : 27,811,873,478.40 = 16,854,242,675.20 : x
  2. Step 2: Convert to fraction form
    18,541,248,985.60/27,811,873,478.40 = 16,854,242,675.20/x
  3. Step 3: Cross multiply
    18,541,248,985.60x = 27,811,873,478.40 × 16,854,242,675.20
  4. Step 4: Simplify right side
    18,541,248,985.60x = 468,748,064,856,912,363,520
  5. Step 5: Solve for x
    x = 468,748,064,856,912,363,520/18,541,248,985.60
  6. Step 6: Final answer
    x = 25,281,364,012.80

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Double scale
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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.