Home / 371,902,886.66-513,210,596.30-202,357,822.24

Finding the Fourth Proportional to 371,902,886.66, 513,210,596.30 and 202,357,822.24

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Solution

The fourth proportional to 371,902,886.66, 513,210,596.30 and 202,357,822.24 is: 279,245,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,902,886.66 : 513,210,596.30 = 202,357,822.24 : x
  2. Step 2: Convert to fraction form
    371,902,886.66/513,210,596.30 = 202,357,822.24/x
  3. Step 3: Cross multiply
    371,902,886.66x = 513,210,596.30 × 202,357,822.24
  4. Step 4: Simplify right side
    371,902,886.66x = 103,852,178,616,982,672
  5. Step 5: Solve for x
    x = 103,852,178,616,982,672/371,902,886.66
  6. Step 6: Final answer
    x = 279,245,422.24

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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.