Home / 42,872,622,041.88-64,298,241,191.88-12,613,739,733.36

Finding the Fourth Proportional to 42,872,622,041.88, 64,298,241,191.88 and 12,613,739,733.36

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Solution

The fourth proportional to 42,872,622,041.88, 64,298,241,191.88 and 12,613,739,733.36 is: 18,917,463,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,872,622,041.88 : 64,298,241,191.88 = 12,613,739,733.36 : x
  2. Step 2: Convert to fraction form
    42,872,622,041.88/64,298,241,191.88 = 12,613,739,733.36/x
  3. Step 3: Cross multiply
    42,872,622,041.88x = 64,298,241,191.88 × 12,613,739,733.36
  4. Step 4: Simplify right side
    42,872,622,041.88x = 811,041,279,707,181,350,912
  5. Step 5: Solve for x
    x = 811,041,279,707,181,350,912/42,872,622,041.88
  6. Step 6: Final answer
    x = 18,917,463,898.40

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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.