Home / 469,231,189.04-647,553,905.36-270,989,081.48

Finding the Fourth Proportional to 469,231,189.04, 647,553,905.36 and 270,989,081.48

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Solution

The fourth proportional to 469,231,189.04, 647,553,905.36 and 270,989,081.48 is: 373,973,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,231,189.04 : 647,553,905.36 = 270,989,081.48 : x
  2. Step 2: Convert to fraction form
    469,231,189.04/647,553,905.36 = 270,989,081.48/x
  3. Step 3: Cross multiply
    469,231,189.04x = 647,553,905.36 × 270,989,081.48
  4. Step 4: Simplify right side
    469,231,189.04x = 175,480,038,023,573,408
  5. Step 5: Solve for x
    x = 175,480,038,023,573,408/469,231,189.04
  6. Step 6: Final answer
    x = 373,973,516.94

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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.