Home / 608,255,999.40-912,383,999.10-493,594,213.80

Finding the Fourth Proportional to 608,255,999.40, 912,383,999.10 and 493,594,213.80

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Solution

The fourth proportional to 608,255,999.40, 912,383,999.10 and 493,594,213.80 is: 740,391,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,255,999.40 : 912,383,999.10 = 493,594,213.80 : x
  2. Step 2: Convert to fraction form
    608,255,999.40/912,383,999.10 = 493,594,213.80/x
  3. Step 3: Cross multiply
    608,255,999.40x = 912,383,999.10 × 493,594,213.80
  4. Step 4: Simplify right side
    608,255,999.40x = 450,347,462,719,464,448
  5. Step 5: Solve for x
    x = 450,347,462,719,464,448/608,255,999.40
  6. Step 6: Final answer
    x = 740,391,320.70

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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.