Home / 801,599,710.72-1,202,020,581.12-310,543,029.76

Finding the Fourth Proportional to 801,599,710.72, 1,202,020,581.12 and 310,543,029.76

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Solution

The fourth proportional to 801,599,710.72, 1,202,020,581.12 and 310,543,029.76 is: 465,667,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,599,710.72 : 1,202,020,581.12 = 310,543,029.76 : x
  2. Step 2: Convert to fraction form
    801,599,710.72/1,202,020,581.12 = 310,543,029.76/x
  3. Step 3: Cross multiply
    801,599,710.72x = 1,202,020,581.12 × 310,543,029.76
  4. Step 4: Simplify right side
    801,599,710.72x = 373,279,113,094,880,576
  5. Step 5: Solve for x
    x = 373,279,113,094,880,576/801,599,710.72
  6. Step 6: Final answer
    x = 465,667,724.31

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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.