Home / 314,928,532.95-472,392,799.43-313,015,345.35

Finding the Fourth Proportional to 314,928,532.95, 472,392,799.43 and 313,015,345.35

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Solution

The fourth proportional to 314,928,532.95, 472,392,799.43 and 313,015,345.35 is: 469,523,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,532.95 : 472,392,799.43 = 313,015,345.35 : x
  2. Step 2: Convert to fraction form
    314,928,532.95/472,392,799.43 = 313,015,345.35/x
  3. Step 3: Cross multiply
    314,928,532.95x = 472,392,799.43 × 313,015,345.35
  4. Step 4: Simplify right side
    314,928,532.95x = 147,866,195,252,869,664
  5. Step 5: Solve for x
    x = 147,866,195,252,869,664/314,928,532.95
  6. Step 6: Final answer
    x = 469,523,018.03

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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.