Home / 699,319,139.61-965,063,495.04-386,055,927.75

Finding the Fourth Proportional to 699,319,139.61, 965,063,495.04 and 386,055,927.75

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Solution

The fourth proportional to 699,319,139.61, 965,063,495.04 and 386,055,927.75 is: 532,758,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,319,139.61 : 965,063,495.04 = 386,055,927.75 : x
  2. Step 2: Convert to fraction form
    699,319,139.61/965,063,495.04 = 386,055,927.75/x
  3. Step 3: Cross multiply
    699,319,139.61x = 965,063,495.04 × 386,055,927.75
  4. Step 4: Simplify right side
    699,319,139.61x = 372,568,482,912,474,048
  5. Step 5: Solve for x
    x = 372,568,482,912,474,048/699,319,139.61
  6. Step 6: Final answer
    x = 532,758,881.91

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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.