Home / 819,830,423.16-1,228,757,617.98-376,561,422.36

Finding the Fourth Proportional to 819,830,423.16, 1,228,757,617.98 and 376,561,422.36

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Solution

The fourth proportional to 819,830,423.16, 1,228,757,617.98 and 376,561,422.36 is: 564,388,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,830,423.16 : 1,228,757,617.98 = 376,561,422.36 : x
  2. Step 2: Convert to fraction form
    819,830,423.16/1,228,757,617.98 = 376,561,422.36/x
  3. Step 3: Cross multiply
    819,830,423.16x = 1,228,757,617.98 × 376,561,422.36
  4. Step 4: Simplify right side
    819,830,423.16x = 462,702,716,362,234,304
  5. Step 5: Solve for x
    x = 462,702,716,362,234,304/819,830,423.16
  6. Step 6: Final answer
    x = 564,388,321.40

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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.