Home / 479,312,460.80-718,968,691.20-246,860,167.40

Finding the Fourth Proportional to 479,312,460.80, 718,968,691.20 and 246,860,167.40

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Solution

The fourth proportional to 479,312,460.80, 718,968,691.20 and 246,860,167.40 is: 370,290,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,312,460.80 : 718,968,691.20 = 246,860,167.40 : x
  2. Step 2: Convert to fraction form
    479,312,460.80/718,968,691.20 = 246,860,167.40/x
  3. Step 3: Cross multiply
    479,312,460.80x = 718,968,691.20 × 246,860,167.40
  4. Step 4: Simplify right side
    479,312,460.80x = 177,484,731,464,990,912
  5. Step 5: Solve for x
    x = 177,484,731,464,990,912/479,312,460.80
  6. Step 6: Final answer
    x = 370,290,251.10

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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.