Home / 691,595,818.45-954,399,376.16-374,056,418.95

Finding the Fourth Proportional to 691,595,818.45, 954,399,376.16 and 374,056,418.95

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Solution

The fourth proportional to 691,595,818.45, 954,399,376.16 and 374,056,418.95 is: 516,196,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,595,818.45 : 954,399,376.16 = 374,056,418.95 : x
  2. Step 2: Convert to fraction form
    691,595,818.45/954,399,376.16 = 374,056,418.95/x
  3. Step 3: Cross multiply
    691,595,818.45x = 954,399,376.16 × 374,056,418.95
  4. Step 4: Simplify right side
    691,595,818.45x = 356,999,212,892,653,312
  5. Step 5: Solve for x
    x = 356,999,212,892,653,312/691,595,818.45
  6. Step 6: Final answer
    x = 516,196,314.91

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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.