Home / 839,331,155.76-1,158,278,110.74-462,979,254

Finding the Fourth Proportional to 839,331,155.76, 1,158,278,110.74 and 462,979,254

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Solution

The fourth proportional to 839,331,155.76, 1,158,278,110.74 and 462,979,254 is: 638,911,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,331,155.76 : 1,158,278,110.74 = 462,979,254 : x
  2. Step 2: Convert to fraction form
    839,331,155.76/1,158,278,110.74 = 462,979,254/x
  3. Step 3: Cross multiply
    839,331,155.76x = 1,158,278,110.74 × 462,979,254
  4. Step 4: Simplify right side
    839,331,155.76x = 536,258,735,634,934,592
  5. Step 5: Solve for x
    x = 536,258,735,634,934,592/839,331,155.76
  6. Step 6: Final answer
    x = 638,911,986.00

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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.