Home / 362,564,378.15-543,459,312.68-206,782,793.51

Finding the Fourth Proportional to 362,564,378.15, 543,459,312.68 and 206,782,793.51

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Solution

The fourth proportional to 362,564,378.15, 543,459,312.68 and 206,782,793.51 is: 309,953,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,564,378.15 : 543,459,312.68 = 206,782,793.51 : x
  2. Step 2: Convert to fraction form
    362,564,378.15/543,459,312.68 = 206,782,793.51/x
  3. Step 3: Cross multiply
    362,564,378.15x = 543,459,312.68 × 206,782,793.51
  4. Step 4: Simplify right side
    362,564,378.15x = 112,378,034,831,243,744
  5. Step 5: Solve for x
    x = 112,378,034,831,243,744/362,564,378.15
  6. Step 6: Final answer
    x = 309,953,325.82

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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.