Home / 326,624,374.76-450,438,868.69-238,378,594.28

Finding the Fourth Proportional to 326,624,374.76, 450,438,868.69 and 238,378,594.28

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Solution

The fourth proportional to 326,624,374.76, 450,438,868.69 and 238,378,594.28 is: 328,741,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,624,374.76 : 450,438,868.69 = 238,378,594.28 : x
  2. Step 2: Convert to fraction form
    326,624,374.76/450,438,868.69 = 238,378,594.28/x
  3. Step 3: Cross multiply
    326,624,374.76x = 450,438,868.69 × 238,378,594.28
  4. Step 4: Simplify right side
    326,624,374.76x = 107,374,984,324,547,568
  5. Step 5: Solve for x
    x = 107,374,984,324,547,568/326,624,374.76
  6. Step 6: Final answer
    x = 328,741,492.13

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1.5x scale

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.