Home / 290,943,024.20-436,627,112.70-204,849,582.20

Finding the Fourth Proportional to 290,943,024.20, 436,627,112.70 and 204,849,582.20

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Solution

The fourth proportional to 290,943,024.20, 436,627,112.70 and 204,849,582.20 is: 307,424,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,943,024.20 : 436,627,112.70 = 204,849,582.20 : x
  2. Step 2: Convert to fraction form
    290,943,024.20/436,627,112.70 = 204,849,582.20/x
  3. Step 3: Cross multiply
    290,943,024.20x = 436,627,112.70 × 204,849,582.20
  4. Step 4: Simplify right side
    290,943,024.20x = 89,442,881,613,787,312
  5. Step 5: Solve for x
    x = 89,442,881,613,787,312/290,943,024.20
  6. Step 6: Final answer
    x = 307,424,045.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.