Home / 440,213,793.60-660,320,690.40-433,411,348.80

Finding the Fourth Proportional to 440,213,793.60, 660,320,690.40 and 433,411,348.80

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Solution

The fourth proportional to 440,213,793.60, 660,320,690.40 and 433,411,348.80 is: 650,117,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,213,793.60 : 660,320,690.40 = 433,411,348.80 : x
  2. Step 2: Convert to fraction form
    440,213,793.60/660,320,690.40 = 433,411,348.80/x
  3. Step 3: Cross multiply
    440,213,793.60x = 660,320,690.40 × 433,411,348.80
  4. Step 4: Simplify right side
    440,213,793.60x = 286,190,481,066,811,200
  5. Step 5: Solve for x
    x = 286,190,481,066,811,200/440,213,793.60
  6. Step 6: Final answer
    x = 650,117,023.20

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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.