Home / 403,923,570.16-557,439,506.76-222,869,666.62

Finding the Fourth Proportional to 403,923,570.16, 557,439,506.76 and 222,869,666.62

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Solution

The fourth proportional to 403,923,570.16, 557,439,506.76 and 222,869,666.62 is: 307,573,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,923,570.16 : 557,439,506.76 = 222,869,666.62 : x
  2. Step 2: Convert to fraction form
    403,923,570.16/557,439,506.76 = 222,869,666.62/x
  3. Step 3: Cross multiply
    403,923,570.16x = 557,439,506.76 × 222,869,666.62
  4. Step 4: Simplify right side
    403,923,570.16x = 124,236,357,032,418,432
  5. Step 5: Solve for x
    x = 124,236,357,032,418,432/403,923,570.16
  6. Step 6: Final answer
    x = 307,573,922.92

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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.