Home / 369,492,568.06-509,878,997.78-202,228,488.49

Finding the Fourth Proportional to 369,492,568.06, 509,878,997.78 and 202,228,488.49

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Solution

The fourth proportional to 369,492,568.06, 509,878,997.78 and 202,228,488.49 is: 279,063,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,492,568.06 : 509,878,997.78 = 202,228,488.49 : x
  2. Step 2: Convert to fraction form
    369,492,568.06/509,878,997.78 = 202,228,488.49/x
  3. Step 3: Cross multiply
    369,492,568.06x = 509,878,997.78 × 202,228,488.49
  4. Step 4: Simplify right side
    369,492,568.06x = 103,112,059,032,834,320
  5. Step 5: Solve for x
    x = 103,112,059,032,834,320/369,492,568.06
  6. Step 6: Final answer
    x = 279,063,959.46

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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.