Home / 545,912,606.20-818,868,909.30-303,575,510.20

Finding the Fourth Proportional to 545,912,606.20, 818,868,909.30 and 303,575,510.20

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Solution

The fourth proportional to 545,912,606.20, 818,868,909.30 and 303,575,510.20 is: 455,363,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,912,606.20 : 818,868,909.30 = 303,575,510.20 : x
  2. Step 2: Convert to fraction form
    545,912,606.20/818,868,909.30 = 303,575,510.20/x
  3. Step 3: Cross multiply
    545,912,606.20x = 818,868,909.30 × 303,575,510.20
  4. Step 4: Simplify right side
    545,912,606.20x = 248,588,546,927,664,992
  5. Step 5: Solve for x
    x = 248,588,546,927,664,992/545,912,606.20
  6. Step 6: Final answer
    x = 455,363,265.30

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Similar ratio
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1.5x scale

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.