Home / 293,420,127.60-440,130,191.40-191,383,455.60

Finding the Fourth Proportional to 293,420,127.60, 440,130,191.40 and 191,383,455.60

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Solution

The fourth proportional to 293,420,127.60, 440,130,191.40 and 191,383,455.60 is: 287,075,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,420,127.60 : 440,130,191.40 = 191,383,455.60 : x
  2. Step 2: Convert to fraction form
    293,420,127.60/440,130,191.40 = 191,383,455.60/x
  3. Step 3: Cross multiply
    293,420,127.60x = 440,130,191.40 × 191,383,455.60
  4. Step 4: Simplify right side
    293,420,127.60x = 84,233,636,944,021,392
  5. Step 5: Solve for x
    x = 84,233,636,944,021,392/293,420,127.60
  6. Step 6: Final answer
    x = 287,075,183.40

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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.