Home / 725,784,200.70-1,088,676,301.05-265,569,416.70

Finding the Fourth Proportional to 725,784,200.70, 1,088,676,301.05 and 265,569,416.70

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Solution

The fourth proportional to 725,784,200.70, 1,088,676,301.05 and 265,569,416.70 is: 398,354,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,200.70 : 1,088,676,301.05 = 265,569,416.70 : x
  2. Step 2: Convert to fraction form
    725,784,200.70/1,088,676,301.05 = 265,569,416.70/x
  3. Step 3: Cross multiply
    725,784,200.70x = 1,088,676,301.05 × 265,569,416.70
  4. Step 4: Simplify right side
    725,784,200.70x = 289,119,130,244,962,048
  5. Step 5: Solve for x
    x = 289,119,130,244,962,048/725,784,200.70
  6. Step 6: Final answer
    x = 398,354,125.05

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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.