Home / 20,571,730,037.40-30,857,595,056.10-16,439,244,821.40

Finding the Fourth Proportional to 20,571,730,037.40, 30,857,595,056.10 and 16,439,244,821.40

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Solution

The fourth proportional to 20,571,730,037.40, 30,857,595,056.10 and 16,439,244,821.40 is: 24,658,867,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,730,037.40 : 30,857,595,056.10 = 16,439,244,821.40 : x
  2. Step 2: Convert to fraction form
    20,571,730,037.40/30,857,595,056.10 = 16,439,244,821.40/x
  3. Step 3: Cross multiply
    20,571,730,037.40x = 30,857,595,056.10 × 16,439,244,821.40
  4. Step 4: Simplify right side
    20,571,730,037.40x = 507,275,559,726,850,113,536
  5. Step 5: Solve for x
    x = 507,275,559,726,850,113,536/20,571,730,037.40
  6. Step 6: Final answer
    x = 24,658,867,232.10

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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.