Home / 705,206,803.60-1,057,810,205.40-511,715,040.40

Finding the Fourth Proportional to 705,206,803.60, 1,057,810,205.40 and 511,715,040.40

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Solution

The fourth proportional to 705,206,803.60, 1,057,810,205.40 and 511,715,040.40 is: 767,572,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,206,803.60 : 1,057,810,205.40 = 511,715,040.40 : x
  2. Step 2: Convert to fraction form
    705,206,803.60/1,057,810,205.40 = 511,715,040.40/x
  3. Step 3: Cross multiply
    705,206,803.60x = 1,057,810,205.40 × 511,715,040.40
  4. Step 4: Simplify right side
    705,206,803.60x = 541,297,391,991,793,280
  5. Step 5: Solve for x
    x = 541,297,391,991,793,280/705,206,803.60
  6. Step 6: Final answer
    x = 767,572,560.60

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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.