Home / 863,592,693.40-1,295,389,040.10-496,260,674.20

Finding the Fourth Proportional to 863,592,693.40, 1,295,389,040.10 and 496,260,674.20

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Solution

The fourth proportional to 863,592,693.40, 1,295,389,040.10 and 496,260,674.20 is: 744,391,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,592,693.40 : 1,295,389,040.10 = 496,260,674.20 : x
  2. Step 2: Convert to fraction form
    863,592,693.40/1,295,389,040.10 = 496,260,674.20/x
  3. Step 3: Cross multiply
    863,592,693.40x = 1,295,389,040.10 × 496,260,674.20
  4. Step 4: Simplify right side
    863,592,693.40x = 642,850,638,391,316,736
  5. Step 5: Solve for x
    x = 642,850,638,391,316,736/863,592,693.40
  6. Step 6: Final answer
    x = 744,391,011.30

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Double scale
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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.