Home / 725,784,853.65-1,088,677,280.48-650,957,960.85

Finding the Fourth Proportional to 725,784,853.65, 1,088,677,280.48 and 650,957,960.85

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Solution

The fourth proportional to 725,784,853.65, 1,088,677,280.48 and 650,957,960.85 is: 976,436,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,853.65 : 1,088,677,280.48 = 650,957,960.85 : x
  2. Step 2: Convert to fraction form
    725,784,853.65/1,088,677,280.48 = 650,957,960.85/x
  3. Step 3: Cross multiply
    725,784,853.65x = 1,088,677,280.48 × 650,957,960.85
  4. Step 4: Simplify right side
    725,784,853.65x = 708,683,142,521,729,536
  5. Step 5: Solve for x
    x = 708,683,142,521,729,536/725,784,853.65
  6. Step 6: Final answer
    x = 976,436,941.28

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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.