Home / 440,822,415.15-660,824,265.51-195,047,781.60

Finding the Fourth Proportional to 440,822,415.15, 660,824,265.51 and 195,047,781.60

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Solution

The fourth proportional to 440,822,415.15, 660,824,265.51 and 195,047,781.60 is: 292,390,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,822,415.15 : 660,824,265.51 = 195,047,781.60 : x
  2. Step 2: Convert to fraction form
    440,822,415.15/660,824,265.51 = 195,047,781.60/x
  3. Step 3: Cross multiply
    440,822,415.15x = 660,824,265.51 × 195,047,781.60
  4. Step 4: Simplify right side
    440,822,415.15x = 128,892,307,015,174,880
  5. Step 5: Solve for x
    x = 128,892,307,015,174,880/440,822,415.15
  6. Step 6: Final answer
    x = 292,390,546.82

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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.