Home / 466,256,041.53-643,723,719.11-296,805,889.22

Finding the Fourth Proportional to 466,256,041.53, 643,723,719.11 and 296,805,889.22

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Solution

The fourth proportional to 466,256,041.53, 643,723,719.11 and 296,805,889.22 is: 409,776,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,256,041.53 : 643,723,719.11 = 296,805,889.22 : x
  2. Step 2: Convert to fraction form
    466,256,041.53/643,723,719.11 = 296,805,889.22/x
  3. Step 3: Cross multiply
    466,256,041.53x = 643,723,719.11 × 296,805,889.22
  4. Step 4: Simplify right side
    466,256,041.53x = 191,060,990,857,746,400
  5. Step 5: Solve for x
    x = 191,060,990,857,746,400/466,256,041.53
  6. Step 6: Final answer
    x = 409,776,976.25

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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.