Home / 440,512,435.84-660,759,055.07-207,213,834.18

Finding the Fourth Proportional to 440,512,435.84, 660,759,055.07 and 207,213,834.18

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Solution

The fourth proportional to 440,512,435.84, 660,759,055.07 and 207,213,834.18 is: 310,816,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,512,435.84 : 660,759,055.07 = 207,213,834.18 : x
  2. Step 2: Convert to fraction form
    440,512,435.84/660,759,055.07 = 207,213,834.18/x
  3. Step 3: Cross multiply
    440,512,435.84x = 660,759,055.07 × 207,213,834.18
  4. Step 4: Simplify right side
    440,512,435.84x = 136,918,417,272,682,912
  5. Step 5: Solve for x
    x = 136,918,417,272,682,912/440,512,435.84
  6. Step 6: Final answer
    x = 310,816,236.12

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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.