Home / 31,477,459,532.83-47,168,143,545.41-18,689,351,324.38

Finding the Fourth Proportional to 31,477,459,532.83, 47,168,143,545.41 and 18,689,351,324.38

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Solution

The fourth proportional to 31,477,459,532.83, 47,168,143,545.41 and 18,689,351,324.38 is: 28,005,500,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477,459,532.83 : 47,168,143,545.41 = 18,689,351,324.38 : x
  2. Step 2: Convert to fraction form
    31,477,459,532.83/47,168,143,545.41 = 18,689,351,324.38/x
  3. Step 3: Cross multiply
    31,477,459,532.83x = 47,168,143,545.41 × 18,689,351,324.38
  4. Step 4: Simplify right side
    31,477,459,532.83x = 881,542,006,038,991,863,808
  5. Step 5: Solve for x
    x = 881,542,006,038,991,863,808/31,477,459,532.83
  6. Step 6: Final answer
    x = 28,005,500,415.93

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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.