Home / 369,207,371.80-509,663,054.47-230,046,888.74

Finding the Fourth Proportional to 369,207,371.80, 509,663,054.47 and 230,046,888.74

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Solution

The fourth proportional to 369,207,371.80, 509,663,054.47 and 230,046,888.74 is: 317,562,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,207,371.80 : 509,663,054.47 = 230,046,888.74 : x
  2. Step 2: Convert to fraction form
    369,207,371.80/509,663,054.47 = 230,046,888.74/x
  3. Step 3: Cross multiply
    369,207,371.80x = 509,663,054.47 × 230,046,888.74
  4. Step 4: Simplify right side
    369,207,371.80x = 117,246,399,987,247,680
  5. Step 5: Solve for x
    x = 117,246,399,987,247,680/369,207,371.80
  6. Step 6: Final answer
    x = 317,562,456.61

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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.