Home / 708,588,749.70-1,062,883,124.55-217,377,833.40

Finding the Fourth Proportional to 708,588,749.70, 1,062,883,124.55 and 217,377,833.40

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Solution

The fourth proportional to 708,588,749.70, 1,062,883,124.55 and 217,377,833.40 is: 326,066,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,749.70 : 1,062,883,124.55 = 217,377,833.40 : x
  2. Step 2: Convert to fraction form
    708,588,749.70/1,062,883,124.55 = 217,377,833.40/x
  3. Step 3: Cross multiply
    708,588,749.70x = 1,062,883,124.55 × 217,377,833.40
  4. Step 4: Simplify right side
    708,588,749.70x = 231,047,230,772,101,344
  5. Step 5: Solve for x
    x = 231,047,230,772,101,344/708,588,749.70
  6. Step 6: Final answer
    x = 326,066,750.10

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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.