Home / 1,129,533,200.10-1,694,299,800.15-800,225,784.45

Finding the Fourth Proportional to 1,129,533,200.10, 1,694,299,800.15 and 800,225,784.45

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Solution

The fourth proportional to 1,129,533,200.10, 1,694,299,800.15 and 800,225,784.45 is: 1,200,338,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,533,200.10 : 1,694,299,800.15 = 800,225,784.45 : x
  2. Step 2: Convert to fraction form
    1,129,533,200.10/1,694,299,800.15 = 800,225,784.45/x
  3. Step 3: Cross multiply
    1,129,533,200.10x = 1,694,299,800.15 × 800,225,784.45
  4. Step 4: Simplify right side
    1,129,533,200.10x = 1,355,822,386,668,512,256
  5. Step 5: Solve for x
    x = 1,355,822,386,668,512,256/1,129,533,200.10
  6. Step 6: Final answer
    x = 1,200,338,676.68

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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.