Home / 664,301,897.40-996,452,846.10-660,475,522.20

Finding the Fourth Proportional to 664,301,897.40, 996,452,846.10 and 660,475,522.20

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Solution

The fourth proportional to 664,301,897.40, 996,452,846.10 and 660,475,522.20 is: 990,713,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,301,897.40 : 996,452,846.10 = 660,475,522.20 : x
  2. Step 2: Convert to fraction form
    664,301,897.40/996,452,846.10 = 660,475,522.20/x
  3. Step 3: Cross multiply
    664,301,897.40x = 996,452,846.10 × 660,475,522.20
  4. Step 4: Simplify right side
    664,301,897.40x = 658,132,713,875,573,760
  5. Step 5: Solve for x
    x = 658,132,713,875,573,760/664,301,897.40
  6. Step 6: Final answer
    x = 990,713,283.30

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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.