Home / 490,418,342.40-676,941,308.16-292,242,000.48

Finding the Fourth Proportional to 490,418,342.40, 676,941,308.16 and 292,242,000.48

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Solution

The fourth proportional to 490,418,342.40, 676,941,308.16 and 292,242,000.48 is: 403,391,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,418,342.40 : 676,941,308.16 = 292,242,000.48 : x
  2. Step 2: Convert to fraction form
    490,418,342.40/676,941,308.16 = 292,242,000.48/x
  3. Step 3: Cross multiply
    490,418,342.40x = 676,941,308.16 × 292,242,000.48
  4. Step 4: Simplify right side
    490,418,342.40x = 197,830,682,104,226,560
  5. Step 5: Solve for x
    x = 197,830,682,104,226,560/490,418,342.40
  6. Step 6: Final answer
    x = 403,391,686.24

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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.