Home / 540,870,692.07-806,758,598.09-491,217,308.30

Finding the Fourth Proportional to 540,870,692.07, 806,758,598.09 and 491,217,308.30

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Solution

The fourth proportional to 540,870,692.07, 806,758,598.09 and 491,217,308.30 is: 732,695,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,870,692.07 : 806,758,598.09 = 491,217,308.30 : x
  2. Step 2: Convert to fraction form
    540,870,692.07/806,758,598.09 = 491,217,308.30/x
  3. Step 3: Cross multiply
    540,870,692.07x = 806,758,598.09 × 491,217,308.30
  4. Step 4: Simplify right side
    540,870,692.07x = 396,293,787,000,320,192
  5. Step 5: Solve for x
    x = 396,293,787,000,320,192/540,870,692.07
  6. Step 6: Final answer
    x = 732,695,989.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.