Home / 403,923,576.16-557,439,515.04-222,869,672.62

Finding the Fourth Proportional to 403,923,576.16, 557,439,515.04 and 222,869,672.62

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Solution

The fourth proportional to 403,923,576.16, 557,439,515.04 and 222,869,672.62 is: 307,573,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,923,576.16 : 557,439,515.04 = 222,869,672.62 : x
  2. Step 2: Convert to fraction form
    403,923,576.16/557,439,515.04 = 222,869,672.62/x
  3. Step 3: Cross multiply
    403,923,576.16x = 557,439,515.04 × 222,869,672.62
  4. Step 4: Simplify right side
    403,923,576.16x = 124,236,362,222,416,368
  5. Step 5: Solve for x
    x = 124,236,362,222,416,368/403,923,576.16
  6. Step 6: Final answer
    x = 307,573,931.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.