Home / 839,331,157.76-1,158,278,113.50-462,979,256

Finding the Fourth Proportional to 839,331,157.76, 1,158,278,113.50 and 462,979,256

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Solution

The fourth proportional to 839,331,157.76, 1,158,278,113.50 and 462,979,256 is: 638,911,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,331,157.76 : 1,158,278,113.50 = 462,979,256 : x
  2. Step 2: Convert to fraction form
    839,331,157.76/1,158,278,113.50 = 462,979,256/x
  3. Step 3: Cross multiply
    839,331,157.76x = 1,158,278,113.50 × 462,979,256
  4. Step 4: Simplify right side
    839,331,157.76x = 536,258,739,229,313,536
  5. Step 5: Solve for x
    x = 536,258,739,229,313,536/839,331,157.76
  6. Step 6: Final answer
    x = 638,911,988.76

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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.