Home / 549,504,631.70-824,256,947.55-515,492,407.70

Finding the Fourth Proportional to 549,504,631.70, 824,256,947.55 and 515,492,407.70

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Solution

The fourth proportional to 549,504,631.70, 824,256,947.55 and 515,492,407.70 is: 773,238,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,504,631.70 : 824,256,947.55 = 515,492,407.70 : x
  2. Step 2: Convert to fraction form
    549,504,631.70/824,256,947.55 = 515,492,407.70/x
  3. Step 3: Cross multiply
    549,504,631.70x = 824,256,947.55 × 515,492,407.70
  4. Step 4: Simplify right side
    549,504,631.70x = 424,898,198,456,002,112
  5. Step 5: Solve for x
    x = 424,898,198,456,002,112/549,504,631.70
  6. Step 6: Final answer
    x = 773,238,611.55

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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.