Home / 650,256,405.12-897,354,307.44-352,898,568.72

Finding the Fourth Proportional to 650,256,405.12, 897,354,307.44 and 352,898,568.72

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Solution

The fourth proportional to 650,256,405.12, 897,354,307.44 and 352,898,568.72 is: 487,000,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,256,405.12 : 897,354,307.44 = 352,898,568.72 : x
  2. Step 2: Convert to fraction form
    650,256,405.12/897,354,307.44 = 352,898,568.72/x
  3. Step 3: Cross multiply
    650,256,405.12x = 897,354,307.44 × 352,898,568.72
  4. Step 4: Simplify right side
    650,256,405.12x = 316,675,050,730,302,912
  5. Step 5: Solve for x
    x = 316,675,050,730,302,912/650,256,405.12
  6. Step 6: Final answer
    x = 487,000,279.02

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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.