Home / 524,903,546.16-724,352,859.72-289,949,149.84

Finding the Fourth Proportional to 524,903,546.16, 724,352,859.72 and 289,949,149.84

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Solution

The fourth proportional to 524,903,546.16, 724,352,859.72 and 289,949,149.84 is: 400,122,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,903,546.16 : 724,352,859.72 = 289,949,149.84 : x
  2. Step 2: Convert to fraction form
    524,903,546.16/724,352,859.72 = 289,949,149.84/x
  3. Step 3: Cross multiply
    524,903,546.16x = 724,352,859.72 × 289,949,149.84
  4. Step 4: Simplify right side
    524,903,546.16x = 210,025,495,859,986,784
  5. Step 5: Solve for x
    x = 210,025,495,859,986,784/524,903,546.16
  6. Step 6: Final answer
    x = 400,122,074.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.