Home / 436,551,480.90-654,918,200.55-145,509,020.10

Finding the Fourth Proportional to 436,551,480.90, 654,918,200.55 and 145,509,020.10

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Solution

The fourth proportional to 436,551,480.90, 654,918,200.55 and 145,509,020.10 is: 218,293,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,551,480.90 : 654,918,200.55 = 145,509,020.10 : x
  2. Step 2: Convert to fraction form
    436,551,480.90/654,918,200.55 = 145,509,020.10/x
  3. Step 3: Cross multiply
    436,551,480.90x = 654,918,200.55 × 145,509,020.10
  4. Step 4: Simplify right side
    436,551,480.90x = 95,296,505,607,685,776
  5. Step 5: Solve for x
    x = 95,296,505,607,685,776/436,551,480.90
  6. Step 6: Final answer
    x = 218,293,854.85

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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.