Home / 445,572,467.40-668,358,701.10-118,098,523.20

Finding the Fourth Proportional to 445,572,467.40, 668,358,701.10 and 118,098,523.20

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Solution

The fourth proportional to 445,572,467.40, 668,358,701.10 and 118,098,523.20 is: 177,147,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,572,467.40 : 668,358,701.10 = 118,098,523.20 : x
  2. Step 2: Convert to fraction form
    445,572,467.40/668,358,701.10 = 118,098,523.20/x
  3. Step 3: Cross multiply
    445,572,467.40x = 668,358,701.10 × 118,098,523.20
  4. Step 4: Simplify right side
    445,572,467.40x = 78,932,175,567,780,224
  5. Step 5: Solve for x
    x = 78,932,175,567,780,224/445,572,467.40
  6. Step 6: Final answer
    x = 177,147,784.80

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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.