Home / 765,256,211.46-1,056,050,982.06-430,728,540.11

Finding the Fourth Proportional to 765,256,211.46, 1,056,050,982.06 and 430,728,540.11

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Solution

The fourth proportional to 765,256,211.46, 1,056,050,982.06 and 430,728,540.11 is: 594,403,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,256,211.46 : 1,056,050,982.06 = 430,728,540.11 : x
  2. Step 2: Convert to fraction form
    765,256,211.46/1,056,050,982.06 = 430,728,540.11/x
  3. Step 3: Cross multiply
    765,256,211.46x = 1,056,050,982.06 × 430,728,540.11
  4. Step 4: Simplify right side
    765,256,211.46x = 454,871,297,784,435,584
  5. Step 5: Solve for x
    x = 454,871,297,784,435,584/765,256,211.46
  6. Step 6: Final answer
    x = 594,403,927.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.