Home / 8,520,170,720.65-11,757,610,050.93-4,761,012,178.33

Finding the Fourth Proportional to 8,520,170,720.65, 11,757,610,050.93 and 4,761,012,178.33

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Solution

The fourth proportional to 8,520,170,720.65, 11,757,610,050.93 and 4,761,012,178.33 is: 6,570,070,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,170,720.65 : 11,757,610,050.93 = 4,761,012,178.33 : x
  2. Step 2: Convert to fraction form
    8,520,170,720.65/11,757,610,050.93 = 4,761,012,178.33/x
  3. Step 3: Cross multiply
    8,520,170,720.65x = 11,757,610,050.93 × 4,761,012,178.33
  4. Step 4: Simplify right side
    8,520,170,720.65x = 55,978,124,640,474,152,960
  5. Step 5: Solve for x
    x = 55,978,124,640,474,152,960/8,520,170,720.65
  6. Step 6: Final answer
    x = 6,570,070,773.91

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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.