Home / 9,214,159,836.50-12,724,322,464.01-8,712,178,284.19

Finding the Fourth Proportional to 9,214,159,836.50, 12,724,322,464.01 and 8,712,178,284.19

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Solution

The fourth proportional to 9,214,159,836.50, 12,724,322,464.01 and 8,712,178,284.19 is: 12,031,109,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214,159,836.50 : 12,724,322,464.01 = 8,712,178,284.19 : x
  2. Step 2: Convert to fraction form
    9,214,159,836.50/12,724,322,464.01 = 8,712,178,284.19/x
  3. Step 3: Cross multiply
    9,214,159,836.50x = 12,724,322,464.01 × 8,712,178,284.19
  4. Step 4: Simplify right side
    9,214,159,836.50x = 110,856,565,851,978,924,032
  5. Step 5: Solve for x
    x = 110,856,565,851,978,924,032/9,214,159,836.50
  6. Step 6: Final answer
    x = 12,031,109,490.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.