Home / 18,620,134,095.60-27,930,201,143.40-9,773,554,633.20

Finding the Fourth Proportional to 18,620,134,095.60, 27,930,201,143.40 and 9,773,554,633.20

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Solution

The fourth proportional to 18,620,134,095.60, 27,930,201,143.40 and 9,773,554,633.20 is: 14,660,331,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,134,095.60 : 27,930,201,143.40 = 9,773,554,633.20 : x
  2. Step 2: Convert to fraction form
    18,620,134,095.60/27,930,201,143.40 = 9,773,554,633.20/x
  3. Step 3: Cross multiply
    18,620,134,095.60x = 27,930,201,143.40 × 9,773,554,633.20
  4. Step 4: Simplify right side
    18,620,134,095.60x = 272,977,346,791,285,030,912
  5. Step 5: Solve for x
    x = 272,977,346,791,285,030,912/18,620,134,095.60
  6. Step 6: Final answer
    x = 14,660,331,949.80

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Double scale
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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.