Home / 5,290,140,291.79-7,300,394,794.29-2,911,278,229.15

Finding the Fourth Proportional to 5,290,140,291.79, 7,300,394,794.29 and 2,911,278,229.15

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Solution

The fourth proportional to 5,290,140,291.79, 7,300,394,794.29 and 2,911,278,229.15 is: 4,017,564,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,140,291.79 : 7,300,394,794.29 = 2,911,278,229.15 : x
  2. Step 2: Convert to fraction form
    5,290,140,291.79/7,300,394,794.29 = 2,911,278,229.15/x
  3. Step 3: Cross multiply
    5,290,140,291.79x = 7,300,394,794.29 × 2,911,278,229.15
  4. Step 4: Simplify right side
    5,290,140,291.79x = 21,253,480,428,795,998,208
  5. Step 5: Solve for x
    x = 21,253,480,428,795,998,208/5,290,140,291.79
  6. Step 6: Final answer
    x = 4,017,564,612.00

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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.