Home / 352,207,030.60-528,310,545.90-221,259,968.20

Finding the Fourth Proportional to 352,207,030.60, 528,310,545.90 and 221,259,968.20

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Solution

The fourth proportional to 352,207,030.60, 528,310,545.90 and 221,259,968.20 is: 331,889,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,207,030.60 : 528,310,545.90 = 221,259,968.20 : x
  2. Step 2: Convert to fraction form
    352,207,030.60/528,310,545.90 = 221,259,968.20/x
  3. Step 3: Cross multiply
    352,207,030.60x = 528,310,545.90 × 221,259,968.20
  4. Step 4: Simplify right side
    352,207,030.60x = 116,893,974,585,558,624
  5. Step 5: Solve for x
    x = 116,893,974,585,558,624/352,207,030.60
  6. Step 6: Final answer
    x = 331,889,952.30

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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.