Home / 436,551,432.40-654,918,127.80-145,508,971.60

Finding the Fourth Proportional to 436,551,432.40, 654,918,127.80 and 145,508,971.60

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Solution

The fourth proportional to 436,551,432.40, 654,918,127.80 and 145,508,971.60 is: 218,293,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,551,432.40 : 654,918,127.80 = 145,508,971.60 : x
  2. Step 2: Convert to fraction form
    436,551,432.40/654,918,127.80 = 145,508,971.60/x
  3. Step 3: Cross multiply
    436,551,432.40x = 654,918,127.80 × 145,508,971.60
  4. Step 4: Simplify right side
    436,551,432.40x = 95,296,463,258,375,360
  5. Step 5: Solve for x
    x = 95,296,463,258,375,360/436,551,432.40
  6. Step 6: Final answer
    x = 218,293,782.10

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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.