Home / 436,555,748.40-654,924,601.80-145,513,287.60

Finding the Fourth Proportional to 436,555,748.40, 654,924,601.80 and 145,513,287.60

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Solution

The fourth proportional to 436,555,748.40, 654,924,601.80 and 145,513,287.60 is: 218,300,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,555,748.40 : 654,924,601.80 = 145,513,287.60 : x
  2. Step 2: Convert to fraction form
    436,555,748.40/654,924,601.80 = 145,513,287.60/x
  3. Step 3: Cross multiply
    436,555,748.40x = 654,924,601.80 × 145,513,287.60
  4. Step 4: Simplify right side
    436,555,748.40x = 95,300,231,938,038,864
  5. Step 5: Solve for x
    x = 95,300,231,938,038,864/436,555,748.40
  6. Step 6: Final answer
    x = 218,300,256.70

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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.