Home / 1,135,133,657.20-1,702,952,428.20-521,569,932.40

Finding the Fourth Proportional to 1,135,133,657.20, 1,702,952,428.20 and 521,569,932.40

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Solution

The fourth proportional to 1,135,133,657.20, 1,702,952,428.20 and 521,569,932.40 is: 782,470,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,133,657.20 : 1,702,952,428.20 = 521,569,932.40 : x
  2. Step 2: Convert to fraction form
    1,135,133,657.20/1,702,952,428.20 = 521,569,932.40/x
  3. Step 3: Cross multiply
    1,135,133,657.20x = 1,702,952,428.20 × 521,569,932.40
  4. Step 4: Simplify right side
    1,135,133,657.20x = 888,208,782,856,689,792
  5. Step 5: Solve for x
    x = 888,208,782,856,689,792/1,135,133,657.20
  6. Step 6: Final answer
    x = 782,470,660.81

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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.