Home / 624,132,000.90-936,198,001.35-318,021,984.90

Finding the Fourth Proportional to 624,132,000.90, 936,198,001.35 and 318,021,984.90

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Solution

The fourth proportional to 624,132,000.90, 936,198,001.35 and 318,021,984.90 is: 477,032,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,132,000.90 : 936,198,001.35 = 318,021,984.90 : x
  2. Step 2: Convert to fraction form
    624,132,000.90/936,198,001.35 = 318,021,984.90/x
  3. Step 3: Cross multiply
    624,132,000.90x = 936,198,001.35 × 318,021,984.90
  4. Step 4: Simplify right side
    624,132,000.90x = 297,731,546,648,739,840
  5. Step 5: Solve for x
    x = 297,731,546,648,739,840/624,132,000.90
  6. Step 6: Final answer
    x = 477,032,977.35

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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.