Home / 1,454,465,724.86-2,007,168,830.15-819,393,836.78

Finding the Fourth Proportional to 1,454,465,724.86, 2,007,168,830.15 and 819,393,836.78

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Solution

The fourth proportional to 1,454,465,724.86, 2,007,168,830.15 and 819,393,836.78 is: 1,130,766,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,465,724.86 : 2,007,168,830.15 = 819,393,836.78 : x
  2. Step 2: Convert to fraction form
    1,454,465,724.86/2,007,168,830.15 = 819,393,836.78/x
  3. Step 3: Cross multiply
    1,454,465,724.86x = 2,007,168,830.15 × 819,393,836.78
  4. Step 4: Simplify right side
    1,454,465,724.86x = 1,644,661,768,787,699,712
  5. Step 5: Solve for x
    x = 1,644,661,768,787,699,712/1,454,465,724.86
  6. Step 6: Final answer
    x = 1,130,766,948.08

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1.5x scale

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.