Home / 353,677,642.83-488,063,701.13-202,995,100.63

Finding the Fourth Proportional to 353,677,642.83, 488,063,701.13 and 202,995,100.63

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Solution

The fourth proportional to 353,677,642.83, 488,063,701.13 and 202,995,100.63 is: 280,126,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,677,642.83 : 488,063,701.13 = 202,995,100.63 : x
  2. Step 2: Convert to fraction form
    353,677,642.83/488,063,701.13 = 202,995,100.63/x
  3. Step 3: Cross multiply
    353,677,642.83x = 488,063,701.13 × 202,995,100.63
  4. Step 4: Simplify right side
    353,677,642.83x = 99,074,540,124,334,576
  5. Step 5: Solve for x
    x = 99,074,540,124,334,576/353,677,642.83
  6. Step 6: Final answer
    x = 280,126,669.39

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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.