Home / 331,445,326.22-497,187,917.80-101,416,403.78

Finding the Fourth Proportional to 331,445,326.22, 497,187,917.80 and 101,416,403.78

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Solution

The fourth proportional to 331,445,326.22, 497,187,917.80 and 101,416,403.78 is: 152,130,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,445,326.22 : 497,187,917.80 = 101,416,403.78 : x
  2. Step 2: Convert to fraction form
    331,445,326.22/497,187,917.80 = 101,416,403.78/x
  3. Step 3: Cross multiply
    331,445,326.22x = 497,187,917.80 × 101,416,403.78
  4. Step 4: Simplify right side
    331,445,326.22x = 50,423,010,626,142,248
  5. Step 5: Solve for x
    x = 50,423,010,626,142,248/331,445,326.22
  6. Step 6: Final answer
    x = 152,130,703.43

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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.