Home / 12,681,860,652.70-19,022,790,979.05-9,180,869,062.30

Finding the Fourth Proportional to 12,681,860,652.70, 19,022,790,979.05 and 9,180,869,062.30

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Solution

The fourth proportional to 12,681,860,652.70, 19,022,790,979.05 and 9,180,869,062.30 is: 13,771,303,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,860,652.70 : 19,022,790,979.05 = 9,180,869,062.30 : x
  2. Step 2: Convert to fraction form
    12,681,860,652.70/19,022,790,979.05 = 9,180,869,062.30/x
  3. Step 3: Cross multiply
    12,681,860,652.70x = 19,022,790,979.05 × 9,180,869,062.30
  4. Step 4: Simplify right side
    12,681,860,652.70x = 174,645,753,178,159,644,672
  5. Step 5: Solve for x
    x = 174,645,753,178,159,644,672/12,681,860,652.70
  6. Step 6: Final answer
    x = 13,771,303,593.45

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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.