Home / 691,595,890.32-954,399,475.13-374,056,490.82

Finding the Fourth Proportional to 691,595,890.32, 954,399,475.13 and 374,056,490.82

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Solution

The fourth proportional to 691,595,890.32, 954,399,475.13 and 374,056,490.82 is: 516,196,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,595,890.32 : 954,399,475.13 = 374,056,490.82 : x
  2. Step 2: Convert to fraction form
    691,595,890.32/954,399,475.13 = 374,056,490.82/x
  3. Step 3: Cross multiply
    691,595,890.32x = 954,399,475.13 × 374,056,490.82
  4. Step 4: Simplify right side
    691,595,890.32x = 356,999,318,507,577,664
  5. Step 5: Solve for x
    x = 356,999,318,507,577,664/691,595,890.32
  6. Step 6: Final answer
    x = 516,196,413.98

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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.