Home / 369,372,482.30-509,733,755.10-202,109,841.82

Finding the Fourth Proportional to 369,372,482.30, 509,733,755.10 and 202,109,841.82

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Solution

The fourth proportional to 369,372,482.30, 509,733,755.10 and 202,109,841.82 is: 278,911,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,372,482.30 : 509,733,755.10 = 202,109,841.82 : x
  2. Step 2: Convert to fraction form
    369,372,482.30/509,733,755.10 = 202,109,841.82/x
  3. Step 3: Cross multiply
    369,372,482.30x = 509,733,755.10 × 202,109,841.82
  4. Step 4: Simplify right side
    369,372,482.30x = 103,022,208,613,575,616
  5. Step 5: Solve for x
    x = 103,022,208,613,575,616/369,372,482.30
  6. Step 6: Final answer
    x = 278,911,433.72

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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.