Home / 636,730,259.91-955,290,309.89-326,057,843.58

Finding the Fourth Proportional to 636,730,259.91, 955,290,309.89 and 326,057,843.58

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Solution

The fourth proportional to 636,730,259.91, 955,290,309.89 and 326,057,843.58 is: 489,186,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,730,259.91 : 955,290,309.89 = 326,057,843.58 : x
  2. Step 2: Convert to fraction form
    636,730,259.91/955,290,309.89 = 326,057,843.58/x
  3. Step 3: Cross multiply
    636,730,259.91x = 955,290,309.89 × 326,057,843.58
  4. Step 4: Simplify right side
    636,730,259.91x = 311,479,898,433,973,056
  5. Step 5: Solve for x
    x = 311,479,898,433,973,056/636,730,259.91
  6. Step 6: Final answer
    x = 489,186,580.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.