Home / 576,226,734.38-794,895,323.55-390,524,242.22

Finding the Fourth Proportional to 576,226,734.38, 794,895,323.55 and 390,524,242.22

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Solution

The fourth proportional to 576,226,734.38, 794,895,323.55 and 390,524,242.22 is: 538,721,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,226,734.38 : 794,895,323.55 = 390,524,242.22 : x
  2. Step 2: Convert to fraction form
    576,226,734.38/794,895,323.55 = 390,524,242.22/x
  3. Step 3: Cross multiply
    576,226,734.38x = 794,895,323.55 × 390,524,242.22
  4. Step 4: Simplify right side
    576,226,734.38x = 310,425,893,873,585,472
  5. Step 5: Solve for x
    x = 310,425,893,873,585,472/576,226,734.38
  6. Step 6: Final answer
    x = 538,721,783.20

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1.5x scale

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.