Home / 699,235,506.93-964,944,854.07-385,969,637.88

Finding the Fourth Proportional to 699,235,506.93, 964,944,854.07 and 385,969,637.88

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Solution

The fourth proportional to 699,235,506.93, 964,944,854.07 and 385,969,637.88 is: 532,638,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,235,506.93 : 964,944,854.07 = 385,969,637.88 : x
  2. Step 2: Convert to fraction form
    699,235,506.93/964,944,854.07 = 385,969,637.88/x
  3. Step 3: Cross multiply
    699,235,506.93x = 964,944,854.07 × 385,969,637.88
  4. Step 4: Simplify right side
    699,235,506.93x = 372,439,415,899,567,360
  5. Step 5: Solve for x
    x = 372,439,415,899,567,360/699,235,506.93
  6. Step 6: Final answer
    x = 532,638,019.96

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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.