Home / 354,422,873,637.68-531,635,673,600.72-85,811,406,341.92

Finding the Fourth Proportional to 354,422,873,637.68, 531,635,673,600.72 and 85,811,406,341.92

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Solution

The fourth proportional to 354,422,873,637.68, 531,635,673,600.72 and 85,811,406,341.92 is: 128,717,439,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,422,873,637.68 : 531,635,673,600.72 = 85,811,406,341.92 : x
  2. Step 2: Convert to fraction form
    354,422,873,637.68/531,635,673,600.72 = 85,811,406,341.92/x
  3. Step 3: Cross multiply
    354,422,873,637.68x = 531,635,673,600.72 × 85,811,406,341.92
  4. Step 4: Simplify right side
    354,422,873,637.68x = 45,620,404,813,211,732,279,296
  5. Step 5: Solve for x
    x = 45,620,404,813,211,732,279,296/354,422,873,637.68
  6. Step 6: Final answer
    x = 128,717,439,551.74

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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.