Home / 778,337,507.20-1,074,105,726.72-425,913,527.68

Finding the Fourth Proportional to 778,337,507.20, 1,074,105,726.72 and 425,913,527.68

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Solution

The fourth proportional to 778,337,507.20, 1,074,105,726.72 and 425,913,527.68 is: 587,760,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,337,507.20 : 1,074,105,726.72 = 425,913,527.68 : x
  2. Step 2: Convert to fraction form
    778,337,507.20/1,074,105,726.72 = 425,913,527.68/x
  3. Step 3: Cross multiply
    778,337,507.20x = 1,074,105,726.72 × 425,913,527.68
  4. Step 4: Simplify right side
    778,337,507.20x = 457,476,159,168,605,248
  5. Step 5: Solve for x
    x = 457,476,159,168,605,248/778,337,507.20
  6. Step 6: Final answer
    x = 587,760,650.02

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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.