Home / 1,343,899,935.40-1,854,581,523.78-725,801,247.40

Finding the Fourth Proportional to 1,343,899,935.40, 1,854,581,523.78 and 725,801,247.40

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Solution

The fourth proportional to 1,343,899,935.40, 1,854,581,523.78 and 725,801,247.40 is: 1,001,605,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,899,935.40 : 1,854,581,523.78 = 725,801,247.40 : x
  2. Step 2: Convert to fraction form
    1,343,899,935.40/1,854,581,523.78 = 725,801,247.40/x
  3. Step 3: Cross multiply
    1,343,899,935.40x = 1,854,581,523.78 × 725,801,247.40
  4. Step 4: Simplify right side
    1,343,899,935.40x = 1,346,057,583,364,516,608
  5. Step 5: Solve for x
    x = 1,346,057,583,364,516,608/1,343,899,935.40
  6. Step 6: Final answer
    x = 1,001,605,512.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.