Home / 66,432,409,734.60-99,648,614,601.90-19,903,687,302.60

Finding the Fourth Proportional to 66,432,409,734.60, 99,648,614,601.90 and 19,903,687,302.60

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Solution

The fourth proportional to 66,432,409,734.60, 99,648,614,601.90 and 19,903,687,302.60 is: 29,855,530,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,409,734.60 : 99,648,614,601.90 = 19,903,687,302.60 : x
  2. Step 2: Convert to fraction form
    66,432,409,734.60/99,648,614,601.90 = 19,903,687,302.60/x
  3. Step 3: Cross multiply
    66,432,409,734.60x = 99,648,614,601.90 × 19,903,687,302.60
  4. Step 4: Simplify right side
    66,432,409,734.60x = 1,983,374,865,173,517,697,024
  5. Step 5: Solve for x
    x = 1,983,374,865,173,517,697,024/66,432,409,734.60
  6. Step 6: Final answer
    x = 29,855,530,953.90

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Double scale
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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.