Home / 352,273,087.40-528,409,631.10-261,573,823.40

Finding the Fourth Proportional to 352,273,087.40, 528,409,631.10 and 261,573,823.40

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Solution

The fourth proportional to 352,273,087.40, 528,409,631.10 and 261,573,823.40 is: 392,360,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273,087.40 : 528,409,631.10 = 261,573,823.40 : x
  2. Step 2: Convert to fraction form
    352,273,087.40/528,409,631.10 = 261,573,823.40/x
  3. Step 3: Cross multiply
    352,273,087.40x = 528,409,631.10 × 261,573,823.40
  4. Step 4: Simplify right side
    352,273,087.40x = 138,218,127,528,210,560
  5. Step 5: Solve for x
    x = 138,218,127,528,210,560/352,273,087.40
  6. Step 6: Final answer
    x = 392,360,735.10

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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.