Home / 317,416,205.16-438,039,778.53-174,368,000.19

Finding the Fourth Proportional to 317,416,205.16, 438,039,778.53 and 174,368,000.19

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Solution

The fourth proportional to 317,416,205.16, 438,039,778.53 and 174,368,000.19 is: 240,630,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,416,205.16 : 438,039,778.53 = 174,368,000.19 : x
  2. Step 2: Convert to fraction form
    317,416,205.16/438,039,778.53 = 174,368,000.19/x
  3. Step 3: Cross multiply
    317,416,205.16x = 438,039,778.53 × 174,368,000.19
  4. Step 4: Simplify right side
    317,416,205.16x = 76,380,120,183,078,784
  5. Step 5: Solve for x
    x = 76,380,120,183,078,784/317,416,205.16
  6. Step 6: Final answer
    x = 240,630,815.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.