Home / 343,852,590.10-515,778,885.15-171,665,706.10

Finding the Fourth Proportional to 343,852,590.10, 515,778,885.15 and 171,665,706.10

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Solution

The fourth proportional to 343,852,590.10, 515,778,885.15 and 171,665,706.10 is: 257,498,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,852,590.10 : 515,778,885.15 = 171,665,706.10 : x
  2. Step 2: Convert to fraction form
    343,852,590.10/515,778,885.15 = 171,665,706.10/x
  3. Step 3: Cross multiply
    343,852,590.10x = 515,778,885.15 × 171,665,706.10
  4. Step 4: Simplify right side
    343,852,590.10x = 88,541,546,510,745,552
  5. Step 5: Solve for x
    x = 88,541,546,510,745,552/343,852,590.10
  6. Step 6: Final answer
    x = 257,498,559.15

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Similar ratio
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1.5x scale

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.