Home / 608,360,702.31-839,537,992.87-329,902,152.03

Finding the Fourth Proportional to 608,360,702.31, 839,537,992.87 and 329,902,152.03

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Solution

The fourth proportional to 608,360,702.31, 839,537,992.87 and 329,902,152.03 is: 455,265,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,360,702.31 : 839,537,992.87 = 329,902,152.03 : x
  2. Step 2: Convert to fraction form
    608,360,702.31/839,537,992.87 = 329,902,152.03/x
  3. Step 3: Cross multiply
    608,360,702.31x = 839,537,992.87 × 329,902,152.03
  4. Step 4: Simplify right side
    608,360,702.31x = 276,965,390,557,935,008
  5. Step 5: Solve for x
    x = 276,965,390,557,935,008/608,360,702.31
  6. Step 6: Final answer
    x = 455,265,091.10

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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.