Home / 819,418,038.90-1,229,127,058.35-359,576,502.90

Finding the Fourth Proportional to 819,418,038.90, 1,229,127,058.35 and 359,576,502.90

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Solution

The fourth proportional to 819,418,038.90, 1,229,127,058.35 and 359,576,502.90 is: 539,364,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,418,038.90 : 1,229,127,058.35 = 359,576,502.90 : x
  2. Step 2: Convert to fraction form
    819,418,038.90/1,229,127,058.35 = 359,576,502.90/x
  3. Step 3: Cross multiply
    819,418,038.90x = 1,229,127,058.35 × 359,576,502.90
  4. Step 4: Simplify right side
    819,418,038.90x = 441,965,209,261,257,152
  5. Step 5: Solve for x
    x = 441,965,209,261,257,152/819,418,038.90
  6. Step 6: Final answer
    x = 539,364,754.35

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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.