Home / 293,420,150.60-440,130,225.90-191,383,478.60

Finding the Fourth Proportional to 293,420,150.60, 440,130,225.90 and 191,383,478.60

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Solution

The fourth proportional to 293,420,150.60, 440,130,225.90 and 191,383,478.60 is: 287,075,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,420,150.60 : 440,130,225.90 = 191,383,478.60 : x
  2. Step 2: Convert to fraction form
    293,420,150.60/440,130,225.90 = 191,383,478.60/x
  3. Step 3: Cross multiply
    293,420,150.60x = 440,130,225.90 × 191,383,478.60
  4. Step 4: Simplify right side
    293,420,150.60x = 84,233,653,669,745,808
  5. Step 5: Solve for x
    x = 84,233,653,669,745,808/293,420,150.60
  6. Step 6: Final answer
    x = 287,075,217.90

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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.