Home / 605,368,980-908,053,479.96-145,307,148.72

Finding the Fourth Proportional to 605,368,980, 908,053,479.96 and 145,307,148.72

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Solution

The fourth proportional to 605,368,980, 908,053,479.96 and 145,307,148.72 is: 217,960,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,368,980 : 908,053,479.96 = 145,307,148.72 : x
  2. Step 2: Convert to fraction form
    605,368,980/908,053,479.96 = 145,307,148.72/x
  3. Step 3: Cross multiply
    605,368,980x = 908,053,479.96 × 145,307,148.72
  4. Step 4: Simplify right side
    605,368,980x = 131,946,662,058,261,264
  5. Step 5: Solve for x
    x = 131,946,662,058,261,264/605,368,980
  6. Step 6: Final answer
    x = 217,960,725.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.