Home / 42,872,622,043.38-64,298,241,194.13-12,613,739,734.86

Finding the Fourth Proportional to 42,872,622,043.38, 64,298,241,194.13 and 12,613,739,734.86

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Solution

The fourth proportional to 42,872,622,043.38, 64,298,241,194.13 and 12,613,739,734.86 is: 18,917,463,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,872,622,043.38 : 64,298,241,194.13 = 12,613,739,734.86 : x
  2. Step 2: Convert to fraction form
    42,872,622,043.38/64,298,241,194.13 = 12,613,739,734.86/x
  3. Step 3: Cross multiply
    42,872,622,043.38x = 64,298,241,194.13 × 12,613,739,734.86
  4. Step 4: Simplify right side
    42,872,622,043.38x = 811,041,279,832,009,736,192
  5. Step 5: Solve for x
    x = 811,041,279,832,009,736,192/42,872,622,043.38
  6. Step 6: Final answer
    x = 18,917,463,900.65

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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.