Home / 921,622,654.32-1,382,435,312.01-376,364,188.32

Finding the Fourth Proportional to 921,622,654.32, 1,382,435,312.01 and 376,364,188.32

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Solution

The fourth proportional to 921,622,654.32, 1,382,435,312.01 and 376,364,188.32 is: 564,546,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,622,654.32 : 1,382,435,312.01 = 376,364,188.32 : x
  2. Step 2: Convert to fraction form
    921,622,654.32/1,382,435,312.01 = 376,364,188.32/x
  3. Step 3: Cross multiply
    921,622,654.32x = 1,382,435,312.01 × 376,364,188.32
  4. Step 4: Simplify right side
    921,622,654.32x = 520,299,144,109,549,568
  5. Step 5: Solve for x
    x = 520,299,144,109,549,568/921,622,654.32
  6. Step 6: Final answer
    x = 564,546,825.83

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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.