Home / 704,686,640.80-1,057,029,961.20-523,288,112.80

Finding the Fourth Proportional to 704,686,640.80, 1,057,029,961.20 and 523,288,112.80

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Solution

The fourth proportional to 704,686,640.80, 1,057,029,961.20 and 523,288,112.80 is: 784,932,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,686,640.80 : 1,057,029,961.20 = 523,288,112.80 : x
  2. Step 2: Convert to fraction form
    704,686,640.80/1,057,029,961.20 = 523,288,112.80/x
  3. Step 3: Cross multiply
    704,686,640.80x = 1,057,029,961.20 × 523,288,112.80
  4. Step 4: Simplify right side
    704,686,640.80x = 553,131,213,569,405,248
  5. Step 5: Solve for x
    x = 553,131,213,569,405,248/704,686,640.80
  6. Step 6: Final answer
    x = 784,932,169.20

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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.