Home / 308,730,696.92-426,029,273.68-169,500,678.20

Finding the Fourth Proportional to 308,730,696.92, 426,029,273.68 and 169,500,678.20

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Solution

The fourth proportional to 308,730,696.92, 426,029,273.68 and 169,500,678.20 is: 233,900,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,730,696.92 : 426,029,273.68 = 169,500,678.20 : x
  2. Step 2: Convert to fraction form
    308,730,696.92/426,029,273.68 = 169,500,678.20/x
  3. Step 3: Cross multiply
    308,730,696.92x = 426,029,273.68 × 169,500,678.20
  4. Step 4: Simplify right side
    308,730,696.92x = 72,212,250,821,813,408
  5. Step 5: Solve for x
    x = 72,212,250,821,813,408/308,730,696.92
  6. Step 6: Final answer
    x = 233,900,456.10

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1.5x scale

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.