Home / 28,165,960,885.60-42,248,941,328.40-8,534,105,192.80

Finding the Fourth Proportional to 28,165,960,885.60, 42,248,941,328.40 and 8,534,105,192.80

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Solution

The fourth proportional to 28,165,960,885.60, 42,248,941,328.40 and 8,534,105,192.80 is: 12,801,157,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165,960,885.60 : 42,248,941,328.40 = 8,534,105,192.80 : x
  2. Step 2: Convert to fraction form
    28,165,960,885.60/42,248,941,328.40 = 8,534,105,192.80/x
  3. Step 3: Cross multiply
    28,165,960,885.60x = 42,248,941,328.40 × 8,534,105,192.80
  4. Step 4: Simplify right side
    28,165,960,885.60x = 360,556,909,581,000,966,144
  5. Step 5: Solve for x
    x = 360,556,909,581,000,966,144/28,165,960,885.60
  6. Step 6: Final answer
    x = 12,801,157,789.20

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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.