Home / 654,796,501.31-903,628,701.19-372,532,867.06

Finding the Fourth Proportional to 654,796,501.31, 903,628,701.19 and 372,532,867.06

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Solution

The fourth proportional to 654,796,501.31, 903,628,701.19 and 372,532,867.06 is: 514,100,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,796,501.31 : 903,628,701.19 = 372,532,867.06 : x
  2. Step 2: Convert to fraction form
    654,796,501.31/903,628,701.19 = 372,532,867.06/x
  3. Step 3: Cross multiply
    654,796,501.31x = 903,628,701.19 × 372,532,867.06
  4. Step 4: Simplify right side
    654,796,501.31x = 336,631,390,814,391,680
  5. Step 5: Solve for x
    x = 336,631,390,814,391,680/654,796,501.31
  6. Step 6: Final answer
    x = 514,100,778.09

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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.