Home / 1,009,183,500.70-1,513,775,251.05-319,302,223.90

Finding the Fourth Proportional to 1,009,183,500.70, 1,513,775,251.05 and 319,302,223.90

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Solution

The fourth proportional to 1,009,183,500.70, 1,513,775,251.05 and 319,302,223.90 is: 478,953,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,183,500.70 : 1,513,775,251.05 = 319,302,223.90 : x
  2. Step 2: Convert to fraction form
    1,009,183,500.70/1,513,775,251.05 = 319,302,223.90/x
  3. Step 3: Cross multiply
    1,009,183,500.70x = 1,513,775,251.05 × 319,302,223.90
  4. Step 4: Simplify right side
    1,009,183,500.70x = 483,351,804,145,045,760
  5. Step 5: Solve for x
    x = 483,351,804,145,045,760/1,009,183,500.70
  6. Step 6: Final answer
    x = 478,953,335.85

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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.