Home / 319,070,495.20-440,316,398.46-177,941,848.61

Finding the Fourth Proportional to 319,070,495.20, 440,316,398.46 and 177,941,848.61

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Solution

The fourth proportional to 319,070,495.20, 440,316,398.46 and 177,941,848.61 is: 245,559,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,070,495.20 : 440,316,398.46 = 177,941,848.61 : x
  2. Step 2: Convert to fraction form
    319,070,495.20/440,316,398.46 = 177,941,848.61/x
  3. Step 3: Cross multiply
    319,070,495.20x = 440,316,398.46 × 177,941,848.61
  4. Step 4: Simplify right side
    319,070,495.20x = 78,350,713,915,269,760
  5. Step 5: Solve for x
    x = 78,350,713,915,269,760/319,070,495.20
  6. Step 6: Final answer
    x = 245,559,257.57

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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.