Home / 661,237,374.06-912,515,970.51-363,913,849.26

Finding the Fourth Proportional to 661,237,374.06, 912,515,970.51 and 363,913,849.26

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Solution

The fourth proportional to 661,237,374.06, 912,515,970.51 and 363,913,849.26 is: 502,205,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,237,374.06 : 912,515,970.51 = 363,913,849.26 : x
  2. Step 2: Convert to fraction form
    661,237,374.06/912,515,970.51 = 363,913,849.26/x
  3. Step 3: Cross multiply
    661,237,374.06x = 912,515,970.51 × 363,913,849.26
  4. Step 4: Simplify right side
    661,237,374.06x = 332,077,199,339,518,720
  5. Step 5: Solve for x
    x = 332,077,199,339,518,720/661,237,374.06
  6. Step 6: Final answer
    x = 502,205,731.81

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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.