Home / 369,025,705.13-509,266,101.89-204,023,903.45

Finding the Fourth Proportional to 369,025,705.13, 509,266,101.89 and 204,023,903.45

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Solution

The fourth proportional to 369,025,705.13, 509,266,101.89 and 204,023,903.45 is: 281,558,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,025,705.13 : 509,266,101.89 = 204,023,903.45 : x
  2. Step 2: Convert to fraction form
    369,025,705.13/509,266,101.89 = 204,023,903.45/x
  3. Step 3: Cross multiply
    369,025,705.13x = 509,266,101.89 × 204,023,903.45
  4. Step 4: Simplify right side
    369,025,705.13x = 103,902,458,000,326,944
  5. Step 5: Solve for x
    x = 103,902,458,000,326,944/369,025,705.13
  6. Step 6: Final answer
    x = 281,558,863.13

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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.