Home / 511,289,627.70-766,934,441.55-354,833,397.30

Finding the Fourth Proportional to 511,289,627.70, 766,934,441.55 and 354,833,397.30

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Solution

The fourth proportional to 511,289,627.70, 766,934,441.55 and 354,833,397.30 is: 532,250,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,289,627.70 : 766,934,441.55 = 354,833,397.30 : x
  2. Step 2: Convert to fraction form
    511,289,627.70/766,934,441.55 = 354,833,397.30/x
  3. Step 3: Cross multiply
    511,289,627.70x = 766,934,441.55 × 354,833,397.30
  4. Step 4: Simplify right side
    511,289,627.70x = 272,133,953,401,564,768
  5. Step 5: Solve for x
    x = 272,133,953,401,564,768/511,289,627.70
  6. Step 6: Final answer
    x = 532,250,095.95

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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.