Home / 404,460,143.40-606,690,215.10-200,386,799.40

Finding the Fourth Proportional to 404,460,143.40, 606,690,215.10 and 200,386,799.40

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Solution

The fourth proportional to 404,460,143.40, 606,690,215.10 and 200,386,799.40 is: 300,580,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,460,143.40 : 606,690,215.10 = 200,386,799.40 : x
  2. Step 2: Convert to fraction form
    404,460,143.40/606,690,215.10 = 200,386,799.40/x
  3. Step 3: Cross multiply
    404,460,143.40x = 606,690,215.10 × 200,386,799.40
  4. Step 4: Simplify right side
    404,460,143.40x = 121,572,710,431,186,560
  5. Step 5: Solve for x
    x = 121,572,710,431,186,560/404,460,143.40
  6. Step 6: Final answer
    x = 300,580,199.10

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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.