Home / 545,751,018.30-818,626,527.45-218,064,497.70

Finding the Fourth Proportional to 545,751,018.30, 818,626,527.45 and 218,064,497.70

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Solution

The fourth proportional to 545,751,018.30, 818,626,527.45 and 218,064,497.70 is: 327,096,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,751,018.30 : 818,626,527.45 = 218,064,497.70 : x
  2. Step 2: Convert to fraction form
    545,751,018.30/818,626,527.45 = 218,064,497.70/x
  3. Step 3: Cross multiply
    545,751,018.30x = 818,626,527.45 × 218,064,497.70
  4. Step 4: Simplify right side
    545,751,018.30x = 178,513,382,512,279,520
  5. Step 5: Solve for x
    x = 178,513,382,512,279,520/545,751,018.30
  6. Step 6: Final answer
    x = 327,096,746.55

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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.