Home / 352,293,411.10-528,440,116.65-221,346,348.70

Finding the Fourth Proportional to 352,293,411.10, 528,440,116.65 and 221,346,348.70

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Solution

The fourth proportional to 352,293,411.10, 528,440,116.65 and 221,346,348.70 is: 332,019,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,293,411.10 : 528,440,116.65 = 221,346,348.70 : x
  2. Step 2: Convert to fraction form
    352,293,411.10/528,440,116.65 = 221,346,348.70/x
  3. Step 3: Cross multiply
    352,293,411.10x = 528,440,116.65 × 221,346,348.70
  4. Step 4: Simplify right side
    352,293,411.10x = 116,968,290,327,079,568
  5. Step 5: Solve for x
    x = 116,968,290,327,079,568/352,293,411.10
  6. Step 6: Final answer
    x = 332,019,523.05

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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.