Home / 827,704,859.28-1,241,977,127.22-459,171,783.42

Finding the Fourth Proportional to 827,704,859.28, 1,241,977,127.22 and 459,171,783.42

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Solution

The fourth proportional to 827,704,859.28, 1,241,977,127.22 and 459,171,783.42 is: 688,990,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,704,859.28 : 1,241,977,127.22 = 459,171,783.42 : x
  2. Step 2: Convert to fraction form
    827,704,859.28/1,241,977,127.22 = 459,171,783.42/x
  3. Step 3: Cross multiply
    827,704,859.28x = 1,241,977,127.22 × 459,171,783.42
  4. Step 4: Simplify right side
    827,704,859.28x = 570,280,852,472,455,680
  5. Step 5: Solve for x
    x = 570,280,852,472,455,680/827,704,859.28
  6. Step 6: Final answer
    x = 688,990,581.70

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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.