Home / 550,661,820.16-826,015,525.46-162,484,643.12

Finding the Fourth Proportional to 550,661,820.16, 826,015,525.46 and 162,484,643.12

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Solution

The fourth proportional to 550,661,820.16, 826,015,525.46 and 162,484,643.12 is: 243,733,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,661,820.16 : 826,015,525.46 = 162,484,643.12 : x
  2. Step 2: Convert to fraction form
    550,661,820.16/826,015,525.46 = 162,484,643.12/x
  3. Step 3: Cross multiply
    550,661,820.16x = 826,015,525.46 × 162,484,643.12
  4. Step 4: Simplify right side
    550,661,820.16x = 134,214,837,865,947,376
  5. Step 5: Solve for x
    x = 134,214,837,865,947,376/550,661,820.16
  6. Step 6: Final answer
    x = 243,733,690.90

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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.