Home / 700,050,148.88-966,088,684.68-386,804,542.64

Finding the Fourth Proportional to 700,050,148.88, 966,088,684.68 and 386,804,542.64

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Solution

The fourth proportional to 700,050,148.88, 966,088,684.68 and 386,804,542.64 is: 533,801,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,050,148.88 : 966,088,684.68 = 386,804,542.64 : x
  2. Step 2: Convert to fraction form
    700,050,148.88/966,088,684.68 = 386,804,542.64/x
  3. Step 3: Cross multiply
    700,050,148.88x = 966,088,684.68 × 386,804,542.64
  4. Step 4: Simplify right side
    700,050,148.88x = 373,687,491,827,326,528
  5. Step 5: Solve for x
    x = 373,687,491,827,326,528/700,050,148.88
  6. Step 6: Final answer
    x = 533,801,031.86

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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.