Home / 314,928,564.30-472,392,846.45-153,685,428.30

Finding the Fourth Proportional to 314,928,564.30, 472,392,846.45 and 153,685,428.30

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Solution

The fourth proportional to 314,928,564.30, 472,392,846.45 and 153,685,428.30 is: 230,528,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,564.30 : 472,392,846.45 = 153,685,428.30 : x
  2. Step 2: Convert to fraction form
    314,928,564.30/472,392,846.45 = 153,685,428.30/x
  3. Step 3: Cross multiply
    314,928,564.30x = 472,392,846.45 × 153,685,428.30
  4. Step 4: Simplify right side
    314,928,564.30x = 72,599,896,932,524,384
  5. Step 5: Solve for x
    x = 72,599,896,932,524,384/314,928,564.30
  6. Step 6: Final answer
    x = 230,528,142.45

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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.