Home / 578,250,314.16-867,049,520.40-189,968,890.74

Finding the Fourth Proportional to 578,250,314.16, 867,049,520.40 and 189,968,890.74

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Solution

The fourth proportional to 578,250,314.16, 867,049,520.40 and 189,968,890.74 is: 284,846,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,250,314.16 : 867,049,520.40 = 189,968,890.74 : x
  2. Step 2: Convert to fraction form
    578,250,314.16/867,049,520.40 = 189,968,890.74/x
  3. Step 3: Cross multiply
    578,250,314.16x = 867,049,520.40 × 189,968,890.74
  4. Step 4: Simplify right side
    578,250,314.16x = 164,712,435,607,036,992
  5. Step 5: Solve for x
    x = 164,712,435,607,036,992/578,250,314.16
  6. Step 6: Final answer
    x = 284,846,253.56

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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.