Home / 699,235,497.93-964,944,841.65-385,969,628.88

Finding the Fourth Proportional to 699,235,497.93, 964,944,841.65 and 385,969,628.88

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Solution

The fourth proportional to 699,235,497.93, 964,944,841.65 and 385,969,628.88 is: 532,638,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,235,497.93 : 964,944,841.65 = 385,969,628.88 : x
  2. Step 2: Convert to fraction form
    699,235,497.93/964,944,841.65 = 385,969,628.88/x
  3. Step 3: Cross multiply
    699,235,497.93x = 964,944,841.65 × 385,969,628.88
  4. Step 4: Simplify right side
    699,235,497.93x = 372,439,402,421,320,832
  5. Step 5: Solve for x
    x = 372,439,402,421,320,832/699,235,497.93
  6. Step 6: Final answer
    x = 532,638,007.54

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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.