Home / 319,506,874,870.47-440,933,347,302.39-176,936,134,918.47

Finding the Fourth Proportional to 319,506,874,870.47, 440,933,347,302.39 and 176,936,134,918.47

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Solution

The fourth proportional to 319,506,874,870.47, 440,933,347,302.39 and 176,936,134,918.47 is: 244,179,541,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,506,874,870.47 : 440,933,347,302.39 = 176,936,134,918.47 : x
  2. Step 2: Convert to fraction form
    319,506,874,870.47/440,933,347,302.39 = 176,936,134,918.47/x
  3. Step 3: Cross multiply
    319,506,874,870.47x = 440,933,347,302.39 × 176,936,134,918.47
  4. Step 4: Simplify right side
    319,506,874,870.47x = 78,017,042,228,348,262,023,168
  5. Step 5: Solve for x
    x = 78,017,042,228,348,262,023,168/319,506,874,870.47
  6. Step 6: Final answer
    x = 244,179,541,551.26

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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.