Home / 863,592,693.40-1,295,389,040.10-572,788,178.20

Finding the Fourth Proportional to 863,592,693.40, 1,295,389,040.10 and 572,788,178.20

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Solution

The fourth proportional to 863,592,693.40, 1,295,389,040.10 and 572,788,178.20 is: 859,182,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,592,693.40 : 1,295,389,040.10 = 572,788,178.20 : x
  2. Step 2: Convert to fraction form
    863,592,693.40/1,295,389,040.10 = 572,788,178.20/x
  3. Step 3: Cross multiply
    863,592,693.40x = 1,295,389,040.10 × 572,788,178.20
  4. Step 4: Simplify right side
    863,592,693.40x = 741,983,528,339,125,760
  5. Step 5: Solve for x
    x = 741,983,528,339,125,760/863,592,693.40
  6. Step 6: Final answer
    x = 859,182,267.30

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Double scale
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Similar ratio
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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.