Home / 352,293,977.70-528,440,966.55-255,044,211.30

Finding the Fourth Proportional to 352,293,977.70, 528,440,966.55 and 255,044,211.30

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Solution

The fourth proportional to 352,293,977.70, 528,440,966.55 and 255,044,211.30 is: 382,566,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,293,977.70 : 528,440,966.55 = 255,044,211.30 : x
  2. Step 2: Convert to fraction form
    352,293,977.70/528,440,966.55 = 255,044,211.30/x
  3. Step 3: Cross multiply
    352,293,977.70x = 528,440,966.55 × 255,044,211.30
  4. Step 4: Simplify right side
    352,293,977.70x = 134,775,809,532,354,448
  5. Step 5: Solve for x
    x = 134,775,809,532,354,448/352,293,977.70
  6. Step 6: Final answer
    x = 382,566,316.95

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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.