Home / 545,924,712.70-818,887,069.05-273,260,050.30

Finding the Fourth Proportional to 545,924,712.70, 818,887,069.05 and 273,260,050.30

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Solution

The fourth proportional to 545,924,712.70, 818,887,069.05 and 273,260,050.30 is: 409,890,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,924,712.70 : 818,887,069.05 = 273,260,050.30 : x
  2. Step 2: Convert to fraction form
    545,924,712.70/818,887,069.05 = 273,260,050.30/x
  3. Step 3: Cross multiply
    545,924,712.70x = 818,887,069.05 × 273,260,050.30
  4. Step 4: Simplify right side
    545,924,712.70x = 223,769,121,678,622,560
  5. Step 5: Solve for x
    x = 223,769,121,678,622,560/545,924,712.70
  6. Step 6: Final answer
    x = 409,890,075.45

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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.