Home / 2,859,980,082.76-4,289,983,825.36-868,039,445.04

Finding the Fourth Proportional to 2,859,980,082.76, 4,289,983,825.36 and 868,039,445.04

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Solution

The fourth proportional to 2,859,980,082.76, 4,289,983,825.36 and 868,039,445.04 is: 1,302,063,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,980,082.76 : 4,289,983,825.36 = 868,039,445.04 : x
  2. Step 2: Convert to fraction form
    2,859,980,082.76/4,289,983,825.36 = 868,039,445.04/x
  3. Step 3: Cross multiply
    2,859,980,082.76x = 4,289,983,825.36 × 868,039,445.04
  4. Step 4: Simplify right side
    2,859,980,082.76x = 3,723,875,178,996,070,400
  5. Step 5: Solve for x
    x = 3,723,875,178,996,070,400/2,859,980,082.76
  6. Step 6: Final answer
    x = 1,302,063,326.05

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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.