Home / 284,748,278.76-392,949,086.26-167,284,316.84

Finding the Fourth Proportional to 284,748,278.76, 392,949,086.26 and 167,284,316.84

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Solution

The fourth proportional to 284,748,278.76, 392,949,086.26 and 167,284,316.84 is: 230,850,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,748,278.76 : 392,949,086.26 = 167,284,316.84 : x
  2. Step 2: Convert to fraction form
    284,748,278.76/392,949,086.26 = 167,284,316.84/x
  3. Step 3: Cross multiply
    284,748,278.76x = 392,949,086.26 × 167,284,316.84
  4. Step 4: Simplify right side
    284,748,278.76x = 65,734,219,447,906,328
  5. Step 5: Solve for x
    x = 65,734,219,447,906,328/284,748,278.76
  6. Step 6: Final answer
    x = 230,850,278.48

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Double scale
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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.