Home / 992,118,506.72-1,488,181,659.75-401,919,895.04

Finding the Fourth Proportional to 992,118,506.72, 1,488,181,659.75 and 401,919,895.04

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Solution

The fourth proportional to 992,118,506.72, 1,488,181,659.75 and 401,919,895.04 is: 602,881,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,118,506.72 : 1,488,181,659.75 = 401,919,895.04 : x
  2. Step 2: Convert to fraction form
    992,118,506.72/1,488,181,659.75 = 401,919,895.04/x
  3. Step 3: Cross multiply
    992,118,506.72x = 1,488,181,659.75 × 401,919,895.04
  4. Step 4: Simplify right side
    992,118,506.72x = 598,129,816,479,732,096
  5. Step 5: Solve for x
    x = 598,129,816,479,732,096/992,118,506.72
  6. Step 6: Final answer
    x = 602,881,422.36

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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.