Home / 607,319,732.88-838,105,211.52-328,861,270.08

Finding the Fourth Proportional to 607,319,732.88, 838,105,211.52 and 328,861,270.08

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Solution

The fourth proportional to 607,319,732.88, 838,105,211.52 and 328,861,270.08 is: 453,830,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,319,732.88 : 838,105,211.52 = 328,861,270.08 : x
  2. Step 2: Convert to fraction form
    607,319,732.88/838,105,211.52 = 328,861,270.08/x
  3. Step 3: Cross multiply
    607,319,732.88x = 838,105,211.52 × 328,861,270.08
  4. Step 4: Simplify right side
    607,319,732.88x = 275,620,344,321,134,240
  5. Step 5: Solve for x
    x = 275,620,344,321,134,240/607,319,732.88
  6. Step 6: Final answer
    x = 453,830,707.94

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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.