Home / 473,642,712.18-710,512,797.51-178,786,194.30

Finding the Fourth Proportional to 473,642,712.18, 710,512,797.51 and 178,786,194.30

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Solution

The fourth proportional to 473,642,712.18, 710,512,797.51 and 178,786,194.30 is: 268,197,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,642,712.18 : 710,512,797.51 = 178,786,194.30 : x
  2. Step 2: Convert to fraction form
    473,642,712.18/710,512,797.51 = 178,786,194.30/x
  3. Step 3: Cross multiply
    473,642,712.18x = 710,512,797.51 × 178,786,194.30
  4. Step 4: Simplify right side
    473,642,712.18x = 127,029,879,068,259,424
  5. Step 5: Solve for x
    x = 127,029,879,068,259,424/473,642,712.18
  6. Step 6: Final answer
    x = 268,197,685.31

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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.