Home / 544,338,420.30-816,507,630.45-488,218,250.70

Finding the Fourth Proportional to 544,338,420.30, 816,507,630.45 and 488,218,250.70

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Solution

The fourth proportional to 544,338,420.30, 816,507,630.45 and 488,218,250.70 is: 732,327,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,338,420.30 : 816,507,630.45 = 488,218,250.70 : x
  2. Step 2: Convert to fraction form
    544,338,420.30/816,507,630.45 = 488,218,250.70/x
  3. Step 3: Cross multiply
    544,338,420.30x = 816,507,630.45 × 488,218,250.70
  4. Step 4: Simplify right side
    544,338,420.30x = 398,633,927,021,501,056
  5. Step 5: Solve for x
    x = 398,633,927,021,501,056/544,338,420.30
  6. Step 6: Final answer
    x = 732,327,376.05

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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.