Home / 1,770,768,169.40-2,656,152,254.10-543,997,638.20

Finding the Fourth Proportional to 1,770,768,169.40, 2,656,152,254.10 and 543,997,638.20

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Solution

The fourth proportional to 1,770,768,169.40, 2,656,152,254.10 and 543,997,638.20 is: 815,996,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,768,169.40 : 2,656,152,254.10 = 543,997,638.20 : x
  2. Step 2: Convert to fraction form
    1,770,768,169.40/2,656,152,254.10 = 543,997,638.20/x
  3. Step 3: Cross multiply
    1,770,768,169.40x = 2,656,152,254.10 × 543,997,638.20
  4. Step 4: Simplify right side
    1,770,768,169.40x = 1,444,940,552,930,006,272
  5. Step 5: Solve for x
    x = 1,444,940,552,930,006,272/1,770,768,169.40
  6. Step 6: Final answer
    x = 815,996,457.30

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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.