Home / 1,766,631,129.60-2,650,072,665.60-539,797,612.80

Finding the Fourth Proportional to 1,766,631,129.60, 2,650,072,665.60 and 539,797,612.80

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Solution

The fourth proportional to 1,766,631,129.60, 2,650,072,665.60 and 539,797,612.80 is: 809,734,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,631,129.60 : 2,650,072,665.60 = 539,797,612.80 : x
  2. Step 2: Convert to fraction form
    1,766,631,129.60/2,650,072,665.60 = 539,797,612.80/x
  3. Step 3: Cross multiply
    1,766,631,129.60x = 2,650,072,665.60 × 539,797,612.80
  4. Step 4: Simplify right side
    1,766,631,129.60x = 1,430,502,898,637,412,608
  5. Step 5: Solve for x
    x = 1,430,502,898,637,412,608/1,766,631,129.60
  6. Step 6: Final answer
    x = 809,734,909.95

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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.