Home / 399,588,416,631.32-599,417,863,471.02-112,748,988,711.02

Finding the Fourth Proportional to 399,588,416,631.32, 599,417,863,471.02 and 112,748,988,711.02

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Solution

The fourth proportional to 399,588,416,631.32, 599,417,863,471.02 and 112,748,988,711.02 is: 169,133,426,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,588,416,631.32 : 599,417,863,471.02 = 112,748,988,711.02 : x
  2. Step 2: Convert to fraction form
    399,588,416,631.32/599,417,863,471.02 = 112,748,988,711.02/x
  3. Step 3: Cross multiply
    399,588,416,631.32x = 599,417,863,471.02 × 112,748,988,711.02
  4. Step 4: Simplify right side
    399,588,416,631.32x = 67,583,757,921,677,767,344,128
  5. Step 5: Solve for x
    x = 67,583,757,921,677,767,344,128/399,588,416,631.32
  6. Step 6: Final answer
    x = 169,133,426,067.34

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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.