Home / 478,479,485.44-717,719,229.12-114,973,841.92

Finding the Fourth Proportional to 478,479,485.44, 717,719,229.12 and 114,973,841.92

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Solution

The fourth proportional to 478,479,485.44, 717,719,229.12 and 114,973,841.92 is: 172,460,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,479,485.44 : 717,719,229.12 = 114,973,841.92 : x
  2. Step 2: Convert to fraction form
    478,479,485.44/717,719,229.12 = 114,973,841.92/x
  3. Step 3: Cross multiply
    478,479,485.44x = 717,719,229.12 × 114,973,841.92
  4. Step 4: Simplify right side
    478,479,485.44x = 82,518,937,191,787,136
  5. Step 5: Solve for x
    x = 82,518,937,191,787,136/478,479,485.44
  6. Step 6: Final answer
    x = 172,460,763.11

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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.