Home / 20,586,216,960.57-30,740,697,535.87-16,812,096,291.98

Finding the Fourth Proportional to 20,586,216,960.57, 30,740,697,535.87 and 16,812,096,291.98

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Solution

The fourth proportional to 20,586,216,960.57, 30,740,697,535.87 and 16,812,096,291.98 is: 25,104,931,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,216,960.57 : 30,740,697,535.87 = 16,812,096,291.98 : x
  2. Step 2: Convert to fraction form
    20,586,216,960.57/30,740,697,535.87 = 16,812,096,291.98/x
  3. Step 3: Cross multiply
    20,586,216,960.57x = 30,740,697,535.87 × 16,812,096,291.98
  4. Step 4: Simplify right side
    20,586,216,960.57x = 516,815,567,055,441,035,264
  5. Step 5: Solve for x
    x = 516,815,567,055,441,035,264/20,586,216,960.57
  6. Step 6: Final answer
    x = 25,104,931,520.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.