Home / 404,460,145.40-606,690,218.10-200,386,801.40

Finding the Fourth Proportional to 404,460,145.40, 606,690,218.10 and 200,386,801.40

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Solution

The fourth proportional to 404,460,145.40, 606,690,218.10 and 200,386,801.40 is: 300,580,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,460,145.40 : 606,690,218.10 = 200,386,801.40 : x
  2. Step 2: Convert to fraction form
    404,460,145.40/606,690,218.10 = 200,386,801.40/x
  3. Step 3: Cross multiply
    404,460,145.40x = 606,690,218.10 × 200,386,801.40
  4. Step 4: Simplify right side
    404,460,145.40x = 121,572,712,245,727,392
  5. Step 5: Solve for x
    x = 121,572,712,245,727,392/404,460,145.40
  6. Step 6: Final answer
    x = 300,580,202.10

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1.5x scale

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.