Home / 265,728,288.60-398,592,432.90-223,638,161.40

Finding the Fourth Proportional to 265,728,288.60, 398,592,432.90 and 223,638,161.40

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Solution

The fourth proportional to 265,728,288.60, 398,592,432.90 and 223,638,161.40 is: 335,457,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728,288.60 : 398,592,432.90 = 223,638,161.40 : x
  2. Step 2: Convert to fraction form
    265,728,288.60/398,592,432.90 = 223,638,161.40/x
  3. Step 3: Cross multiply
    265,728,288.60x = 398,592,432.90 × 223,638,161.40
  4. Step 4: Simplify right side
    265,728,288.60x = 89,140,478,841,708,864
  5. Step 5: Solve for x
    x = 89,140,478,841,708,864/265,728,288.60
  6. Step 6: Final answer
    x = 335,457,242.10

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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.