Home / 314,928,376.20-472,392,564.30-216,718,079.40

Finding the Fourth Proportional to 314,928,376.20, 472,392,564.30 and 216,718,079.40

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Solution

The fourth proportional to 314,928,376.20, 472,392,564.30 and 216,718,079.40 is: 325,077,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,376.20 : 472,392,564.30 = 216,718,079.40 : x
  2. Step 2: Convert to fraction form
    314,928,376.20/472,392,564.30 = 216,718,079.40/x
  3. Step 3: Cross multiply
    314,928,376.20x = 472,392,564.30 × 216,718,079.40
  4. Step 4: Simplify right side
    314,928,376.20x = 102,376,009,257,937,008
  5. Step 5: Solve for x
    x = 102,376,009,257,937,008/314,928,376.20
  6. Step 6: Final answer
    x = 325,077,119.10

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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.