Home / 66,432,409,761.60-99,648,614,642.40-19,903,687,329.60

Finding the Fourth Proportional to 66,432,409,761.60, 99,648,614,642.40 and 19,903,687,329.60

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Solution

The fourth proportional to 66,432,409,761.60, 99,648,614,642.40 and 19,903,687,329.60 is: 29,855,530,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,409,761.60 : 99,648,614,642.40 = 19,903,687,329.60 : x
  2. Step 2: Convert to fraction form
    66,432,409,761.60/99,648,614,642.40 = 19,903,687,329.60/x
  3. Step 3: Cross multiply
    66,432,409,761.60x = 99,648,614,642.40 × 19,903,687,329.60
  4. Step 4: Simplify right side
    66,432,409,761.60x = 1,983,374,868,670,129,635,328
  5. Step 5: Solve for x
    x = 1,983,374,868,670,129,635,328/66,432,409,761.60
  6. Step 6: Final answer
    x = 29,855,530,994.40

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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.