Home / 319,506,874,825.16-440,933,347,239.80-176,936,134,873.16

Finding the Fourth Proportional to 319,506,874,825.16, 440,933,347,239.80 and 176,936,134,873.16

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Solution

The fourth proportional to 319,506,874,825.16, 440,933,347,239.80 and 176,936,134,873.16 is: 244,179,541,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,506,874,825.16 : 440,933,347,239.80 = 176,936,134,873.16 : x
  2. Step 2: Convert to fraction form
    319,506,874,825.16/440,933,347,239.80 = 176,936,134,873.16/x
  3. Step 3: Cross multiply
    319,506,874,825.16x = 440,933,347,239.80 × 176,936,134,873.16
  4. Step 4: Simplify right side
    319,506,874,825.16x = 78,017,042,197,295,145,156,608
  5. Step 5: Solve for x
    x = 78,017,042,197,295,145,156,608/319,506,874,825.16
  6. Step 6: Final answer
    x = 244,179,541,488.70

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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.