Home / 743,144,672.70-1,114,717,009.05-498,256,659.90

Finding the Fourth Proportional to 743,144,672.70, 1,114,717,009.05 and 498,256,659.90

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Solution

The fourth proportional to 743,144,672.70, 1,114,717,009.05 and 498,256,659.90 is: 747,384,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,144,672.70 : 1,114,717,009.05 = 498,256,659.90 : x
  2. Step 2: Convert to fraction form
    743,144,672.70/1,114,717,009.05 = 498,256,659.90/x
  3. Step 3: Cross multiply
    743,144,672.70x = 1,114,717,009.05 × 498,256,659.90
  4. Step 4: Simplify right side
    743,144,672.70x = 555,415,173,662,971,008
  5. Step 5: Solve for x
    x = 555,415,173,662,971,008/743,144,672.70
  6. Step 6: Final answer
    x = 747,384,989.85

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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.