Home / 10,519,874,781.12-14,518,871,509.36-6,450,056,548.72

Finding the Fourth Proportional to 10,519,874,781.12, 14,518,871,509.36 and 6,450,056,548.72

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Solution

The fourth proportional to 10,519,874,781.12, 14,518,871,509.36 and 6,450,056,548.72 is: 8,901,963,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,874,781.12 : 14,518,871,509.36 = 6,450,056,548.72 : x
  2. Step 2: Convert to fraction form
    10,519,874,781.12/14,518,871,509.36 = 6,450,056,548.72/x
  3. Step 3: Cross multiply
    10,519,874,781.12x = 14,518,871,509.36 × 6,450,056,548.72
  4. Step 4: Simplify right side
    10,519,874,781.12x = 93,647,542,258,971,705,344
  5. Step 5: Solve for x
    x = 93,647,542,258,971,705,344/10,519,874,781.12
  6. Step 6: Final answer
    x = 8,901,963,588.68

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1.5x scale

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.