Home / 99,648,614,648.40-149,472,921,972.60-29,855,531,000.40

Finding the Fourth Proportional to 99,648,614,648.40, 149,472,921,972.60 and 29,855,531,000.40

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Solution

The fourth proportional to 99,648,614,648.40, 149,472,921,972.60 and 29,855,531,000.40 is: 44,783,296,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,614,648.40 : 149,472,921,972.60 = 29,855,531,000.40 : x
  2. Step 2: Convert to fraction form
    99,648,614,648.40/149,472,921,972.60 = 29,855,531,000.40/x
  3. Step 3: Cross multiply
    99,648,614,648.40x = 149,472,921,972.60 × 29,855,531,000.40
  4. Step 4: Simplify right side
    99,648,614,648.40x = 4,462,593,455,673,330,106,368
  5. Step 5: Solve for x
    x = 4,462,593,455,673,330,106,368/99,648,614,648.40
  6. Step 6: Final answer
    x = 44,783,296,500.60

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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.