Home / 1,056,783,139.20-1,585,174,708.80-734,296,867.20

Finding the Fourth Proportional to 1,056,783,139.20, 1,585,174,708.80 and 734,296,867.20

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Solution

The fourth proportional to 1,056,783,139.20, 1,585,174,708.80 and 734,296,867.20 is: 1,101,445,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,783,139.20 : 1,585,174,708.80 = 734,296,867.20 : x
  2. Step 2: Convert to fraction form
    1,056,783,139.20/1,585,174,708.80 = 734,296,867.20/x
  3. Step 3: Cross multiply
    1,056,783,139.20x = 1,585,174,708.80 × 734,296,867.20
  4. Step 4: Simplify right side
    1,056,783,139.20x = 1,163,988,822,636,512,256
  5. Step 5: Solve for x
    x = 1,163,988,822,636,512,256/1,056,783,139.20
  6. Step 6: Final answer
    x = 1,101,445,300.80

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Half scale
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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.