Home / 1,347,520,150.90-2,021,280,226.35-657,072,003.70

Finding the Fourth Proportional to 1,347,520,150.90, 2,021,280,226.35 and 657,072,003.70

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Solution

The fourth proportional to 1,347,520,150.90, 2,021,280,226.35 and 657,072,003.70 is: 985,608,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,520,150.90 : 2,021,280,226.35 = 657,072,003.70 : x
  2. Step 2: Convert to fraction form
    1,347,520,150.90/2,021,280,226.35 = 657,072,003.70/x
  3. Step 3: Cross multiply
    1,347,520,150.90x = 2,021,280,226.35 × 657,072,003.70
  4. Step 4: Simplify right side
    1,347,520,150.90x = 1,328,126,648,366,984,192
  5. Step 5: Solve for x
    x = 1,328,126,648,366,984,192/1,347,520,150.90
  6. Step 6: Final answer
    x = 985,608,005.55

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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.