Home / 352,746,638.24-486,817,591.32-211,623,144.08

Finding the Fourth Proportional to 352,746,638.24, 486,817,591.32 and 211,623,144.08

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Solution

The fourth proportional to 352,746,638.24, 486,817,591.32 and 211,623,144.08 is: 292,056,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,746,638.24 : 486,817,591.32 = 211,623,144.08 : x
  2. Step 2: Convert to fraction form
    352,746,638.24/486,817,591.32 = 211,623,144.08/x
  3. Step 3: Cross multiply
    352,746,638.24x = 486,817,591.32 × 211,623,144.08
  4. Step 4: Simplify right side
    352,746,638.24x = 103,021,869,266,156,816
  5. Step 5: Solve for x
    x = 103,021,869,266,156,816/352,746,638.24
  6. Step 6: Final answer
    x = 292,056,275.24

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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.