Home / 779,369,023.29-1,075,520,691.45-422,127,918.43

Finding the Fourth Proportional to 779,369,023.29, 1,075,520,691.45 and 422,127,918.43

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Solution

The fourth proportional to 779,369,023.29, 1,075,520,691.45 and 422,127,918.43 is: 582,531,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,369,023.29 : 1,075,520,691.45 = 422,127,918.43 : x
  2. Step 2: Convert to fraction form
    779,369,023.29/1,075,520,691.45 = 422,127,918.43/x
  3. Step 3: Cross multiply
    779,369,023.29x = 1,075,520,691.45 × 422,127,918.43
  4. Step 4: Simplify right side
    779,369,023.29x = 454,007,310,714,731,200
  5. Step 5: Solve for x
    x = 454,007,310,714,731,200/779,369,023.29
  6. Step 6: Final answer
    x = 582,531,890.73

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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.