Home / 673,612,816.80-1,010,419,225.20-623,224,336.80

Finding the Fourth Proportional to 673,612,816.80, 1,010,419,225.20 and 623,224,336.80

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Solution

The fourth proportional to 673,612,816.80, 1,010,419,225.20 and 623,224,336.80 is: 934,836,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,612,816.80 : 1,010,419,225.20 = 623,224,336.80 : x
  2. Step 2: Convert to fraction form
    673,612,816.80/1,010,419,225.20 = 623,224,336.80/x
  3. Step 3: Cross multiply
    673,612,816.80x = 1,010,419,225.20 × 623,224,336.80
  4. Step 4: Simplify right side
    673,612,816.80x = 629,717,851,515,239,808
  5. Step 5: Solve for x
    x = 629,717,851,515,239,808/673,612,816.80
  6. Step 6: Final answer
    x = 934,836,505.20

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Double scale
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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.