Home / 478,797,585.26-660,740,369.21-258,781,011.26

Finding the Fourth Proportional to 478,797,585.26, 660,740,369.21 and 258,781,011.26

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Solution

The fourth proportional to 478,797,585.26, 660,740,369.21 and 258,781,011.26 is: 357,117,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,797,585.26 : 660,740,369.21 = 258,781,011.26 : x
  2. Step 2: Convert to fraction form
    478,797,585.26/660,740,369.21 = 258,781,011.26/x
  3. Step 3: Cross multiply
    478,797,585.26x = 660,740,369.21 × 258,781,011.26
  4. Step 4: Simplify right side
    478,797,585.26x = 170,987,060,920,842,400
  5. Step 5: Solve for x
    x = 170,987,060,920,842,400/478,797,585.26
  6. Step 6: Final answer
    x = 357,117,634.23

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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.