Home / 298,956,320.10-448,434,480.15-270,258,506.10

Finding the Fourth Proportional to 298,956,320.10, 448,434,480.15 and 270,258,506.10

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Solution

The fourth proportional to 298,956,320.10, 448,434,480.15 and 270,258,506.10 is: 405,387,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,956,320.10 : 448,434,480.15 = 270,258,506.10 : x
  2. Step 2: Convert to fraction form
    298,956,320.10/448,434,480.15 = 270,258,506.10/x
  3. Step 3: Cross multiply
    298,956,320.10x = 448,434,480.15 × 270,258,506.10
  4. Step 4: Simplify right side
    298,956,320.10x = 121,193,232,689,069,104
  5. Step 5: Solve for x
    x = 121,193,232,689,069,104/298,956,320.10
  6. Step 6: Final answer
    x = 405,387,759.15

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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.