Home / 664,009,667.70-996,014,501.55-654,939,741.30

Finding the Fourth Proportional to 664,009,667.70, 996,014,501.55 and 654,939,741.30

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Solution

The fourth proportional to 664,009,667.70, 996,014,501.55 and 654,939,741.30 is: 982,409,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,009,667.70 : 996,014,501.55 = 654,939,741.30 : x
  2. Step 2: Convert to fraction form
    664,009,667.70/996,014,501.55 = 654,939,741.30/x
  3. Step 3: Cross multiply
    664,009,667.70x = 996,014,501.55 × 654,939,741.30
  4. Step 4: Simplify right side
    664,009,667.70x = 652,329,479,976,205,312
  5. Step 5: Solve for x
    x = 652,329,479,976,205,312/664,009,667.70
  6. Step 6: Final answer
    x = 982,409,611.95

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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.