Home / 31,477,459,532.89-47,168,143,545.51-18,689,351,324.44

Finding the Fourth Proportional to 31,477,459,532.89, 47,168,143,545.51 and 18,689,351,324.44

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Solution

The fourth proportional to 31,477,459,532.89, 47,168,143,545.51 and 18,689,351,324.44 is: 28,005,500,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477,459,532.89 : 47,168,143,545.51 = 18,689,351,324.44 : x
  2. Step 2: Convert to fraction form
    31,477,459,532.89/47,168,143,545.51 = 18,689,351,324.44/x
  3. Step 3: Cross multiply
    31,477,459,532.89x = 47,168,143,545.51 × 18,689,351,324.44
  4. Step 4: Simplify right side
    31,477,459,532.89x = 881,542,006,043,794,997,248
  5. Step 5: Solve for x
    x = 881,542,006,043,794,997,248/31,477,459,532.89
  6. Step 6: Final answer
    x = 28,005,500,416.03

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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.