Home / 369,372,476.30-509,733,746.82-202,109,835.83

Finding the Fourth Proportional to 369,372,476.30, 509,733,746.82 and 202,109,835.83

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Solution

The fourth proportional to 369,372,476.30, 509,733,746.82 and 202,109,835.83 is: 278,911,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,372,476.30 : 509,733,746.82 = 202,109,835.83 : x
  2. Step 2: Convert to fraction form
    369,372,476.30/509,733,746.82 = 202,109,835.83/x
  3. Step 3: Cross multiply
    369,372,476.30x = 509,733,746.82 × 202,109,835.83
  4. Step 4: Simplify right side
    369,372,476.30x = 103,022,203,884,252,304
  5. Step 5: Solve for x
    x = 103,022,203,884,252,304/369,372,476.30
  6. Step 6: Final answer
    x = 278,911,425.45

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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.