Home / 691,595,816.45-954,399,373.40-374,056,416.95

Finding the Fourth Proportional to 691,595,816.45, 954,399,373.40 and 374,056,416.95

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Solution

The fourth proportional to 691,595,816.45, 954,399,373.40 and 374,056,416.95 is: 516,196,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,595,816.45 : 954,399,373.40 = 374,056,416.95 : x
  2. Step 2: Convert to fraction form
    691,595,816.45/954,399,373.40 = 374,056,416.95/x
  3. Step 3: Cross multiply
    691,595,816.45x = 954,399,373.40 × 374,056,416.95
  4. Step 4: Simplify right side
    691,595,816.45x = 356,999,209,951,458,816
  5. Step 5: Solve for x
    x = 356,999,209,951,458,816/691,595,816.45
  6. Step 6: Final answer
    x = 516,196,312.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.