Home / 921,622,655.81-1,382,435,314.25-376,364,189.81

Finding the Fourth Proportional to 921,622,655.81, 1,382,435,314.25 and 376,364,189.81

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Solution

The fourth proportional to 921,622,655.81, 1,382,435,314.25 and 376,364,189.81 is: 564,546,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,655.81 : 1,382,435,314.25 = 376,364,189.81 : x
  2. Step 2: Convert to fraction form
    921,622,655.81/1,382,435,314.25 = 376,364,189.81/x
  3. Step 3: Cross multiply
    921,622,655.81x = 1,382,435,314.25 × 376,364,189.81
  4. Step 4: Simplify right side
    921,622,655.81x = 520,299,147,006,462,784
  5. Step 5: Solve for x
    x = 520,299,147,006,462,784/921,622,655.81
  6. Step 6: Final answer
    x = 564,546,828.06

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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.