Home / 456,192,019.60-684,288,029.40-133,075,891.60

Finding the Fourth Proportional to 456,192,019.60, 684,288,029.40 and 133,075,891.60

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Solution

The fourth proportional to 456,192,019.60, 684,288,029.40 and 133,075,891.60 is: 199,613,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,192,019.60 : 684,288,029.40 = 133,075,891.60 : x
  2. Step 2: Convert to fraction form
    456,192,019.60/684,288,029.40 = 133,075,891.60/x
  3. Step 3: Cross multiply
    456,192,019.60x = 684,288,029.40 × 133,075,891.60
  4. Step 4: Simplify right side
    456,192,019.60x = 91,062,239,623,612,000
  5. Step 5: Solve for x
    x = 91,062,239,623,612,000/456,192,019.60
  6. Step 6: Final answer
    x = 199,613,837.40

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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.