Home / 629,859,206.40-944,788,809.60-323,749,190.40

Finding the Fourth Proportional to 629,859,206.40, 944,788,809.60 and 323,749,190.40

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Solution

The fourth proportional to 629,859,206.40, 944,788,809.60 and 323,749,190.40 is: 485,623,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,206.40 : 944,788,809.60 = 323,749,190.40 : x
  2. Step 2: Convert to fraction form
    629,859,206.40/944,788,809.60 = 323,749,190.40/x
  3. Step 3: Cross multiply
    629,859,206.40x = 944,788,809.60 × 323,749,190.40
  4. Step 4: Simplify right side
    629,859,206.40x = 305,874,612,206,979,712
  5. Step 5: Solve for x
    x = 305,874,612,206,979,712/629,859,206.40
  6. Step 6: Final answer
    x = 485,623,785.60

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Half scale
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Double scale
Find fourth proportional to 629,859,207.40, 944,788,811.10 and 323,749,191.40
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.