Home / 664,301,970.90-996,452,956.35-660,475,595.70

Finding the Fourth Proportional to 664,301,970.90, 996,452,956.35 and 660,475,595.70

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Solution

The fourth proportional to 664,301,970.90, 996,452,956.35 and 660,475,595.70 is: 990,713,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,301,970.90 : 996,452,956.35 = 660,475,595.70 : x
  2. Step 2: Convert to fraction form
    664,301,970.90/996,452,956.35 = 660,475,595.70/x
  3. Step 3: Cross multiply
    664,301,970.90x = 996,452,956.35 × 660,475,595.70
  4. Step 4: Simplify right side
    664,301,970.90x = 658,132,859,932,292,352
  5. Step 5: Solve for x
    x = 658,132,859,932,292,352/664,301,970.90
  6. Step 6: Final answer
    x = 990,713,393.55

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Double scale
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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.