Home / 1,324,720,678.47-1,828,126,626.59-730,026,500.40

Finding the Fourth Proportional to 1,324,720,678.47, 1,828,126,626.59 and 730,026,500.40

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Solution

The fourth proportional to 1,324,720,678.47, 1,828,126,626.59 and 730,026,500.40 is: 1,007,443,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,720,678.47 : 1,828,126,626.59 = 730,026,500.40 : x
  2. Step 2: Convert to fraction form
    1,324,720,678.47/1,828,126,626.59 = 730,026,500.40/x
  3. Step 3: Cross multiply
    1,324,720,678.47x = 1,828,126,626.59 × 730,026,500.40
  4. Step 4: Simplify right side
    1,324,720,678.47x = 1,334,580,883,497,555,200
  5. Step 5: Solve for x
    x = 1,334,580,883,497,555,200/1,324,720,678.47
  6. Step 6: Final answer
    x = 1,007,443,233.27

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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.