Home / 369,019,283.28-509,221,036.44-203,993,862

Finding the Fourth Proportional to 369,019,283.28, 509,221,036.44 and 203,993,862

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Solution

The fourth proportional to 369,019,283.28, 509,221,036.44 and 203,993,862 is: 281,497,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,019,283.28 : 509,221,036.44 = 203,993,862 : x
  2. Step 2: Convert to fraction form
    369,019,283.28/509,221,036.44 = 203,993,862/x
  3. Step 3: Cross multiply
    369,019,283.28x = 509,221,036.44 × 203,993,862
  4. Step 4: Simplify right side
    369,019,283.28x = 103,877,965,835,038,336
  5. Step 5: Solve for x
    x = 103,877,965,835,038,336/369,019,283.28
  6. Step 6: Final answer
    x = 281,497,391.98

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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.