Home / 476,491,206.80-714,736,810.20-218,210,880.80

Finding the Fourth Proportional to 476,491,206.80, 714,736,810.20 and 218,210,880.80

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Solution

The fourth proportional to 476,491,206.80, 714,736,810.20 and 218,210,880.80 is: 327,316,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,491,206.80 : 714,736,810.20 = 218,210,880.80 : x
  2. Step 2: Convert to fraction form
    476,491,206.80/714,736,810.20 = 218,210,880.80/x
  3. Step 3: Cross multiply
    476,491,206.80x = 714,736,810.20 × 218,210,880.80
  4. Step 4: Simplify right side
    476,491,206.80x = 155,963,348,893,924,448
  5. Step 5: Solve for x
    x = 155,963,348,893,924,448/476,491,206.80
  6. Step 6: Final answer
    x = 327,316,321.20

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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.