Home / 545,756,822.10-818,635,233.15-300,018,503.70

Finding the Fourth Proportional to 545,756,822.10, 818,635,233.15 and 300,018,503.70

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Solution

The fourth proportional to 545,756,822.10, 818,635,233.15 and 300,018,503.70 is: 450,027,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,756,822.10 : 818,635,233.15 = 300,018,503.70 : x
  2. Step 2: Convert to fraction form
    545,756,822.10/818,635,233.15 = 300,018,503.70/x
  3. Step 3: Cross multiply
    545,756,822.10x = 818,635,233.15 × 300,018,503.70
  4. Step 4: Simplify right side
    545,756,822.10x = 245,605,717,725,763,616
  5. Step 5: Solve for x
    x = 245,605,717,725,763,616/545,756,822.10
  6. Step 6: Final answer
    x = 450,027,755.55

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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.