Home / 869,845,506.48-1,304,890,827.10-279,437,773.19

Finding the Fourth Proportional to 869,845,506.48, 1,304,890,827.10 and 279,437,773.19

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Solution

The fourth proportional to 869,845,506.48, 1,304,890,827.10 and 279,437,773.19 is: 419,196,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,845,506.48 : 1,304,890,827.10 = 279,437,773.19 : x
  2. Step 2: Convert to fraction form
    869,845,506.48/1,304,890,827.10 = 279,437,773.19/x
  3. Step 3: Cross multiply
    869,845,506.48x = 1,304,890,827.10 × 279,437,773.19
  4. Step 4: Simplify right side
    869,845,506.48x = 364,635,786,973,658,304
  5. Step 5: Solve for x
    x = 364,635,786,973,658,304/869,845,506.48
  6. Step 6: Final answer
    x = 419,196,034.53

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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.