Home / 1,754,263,143.95-2,631,369,920.20-426,300,944.69

Finding the Fourth Proportional to 1,754,263,143.95, 2,631,369,920.20 and 426,300,944.69

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Solution

The fourth proportional to 1,754,263,143.95, 2,631,369,920.20 and 426,300,944.69 is: 639,445,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,263,143.95 : 2,631,369,920.20 = 426,300,944.69 : x
  2. Step 2: Convert to fraction form
    1,754,263,143.95/2,631,369,920.20 = 426,300,944.69/x
  3. Step 3: Cross multiply
    1,754,263,143.95x = 2,631,369,920.20 × 426,300,944.69
  4. Step 4: Simplify right side
    1,754,263,143.95x = 1,121,755,482,815,622,656
  5. Step 5: Solve for x
    x = 1,121,755,482,815,622,656/1,754,263,143.95
  6. Step 6: Final answer
    x = 639,445,391.47

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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.