Home / 8,520,552,007.20-12,780,828,010.80-4,801,315,312.80

Finding the Fourth Proportional to 8,520,552,007.20, 12,780,828,010.80 and 4,801,315,312.80

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Solution

The fourth proportional to 8,520,552,007.20, 12,780,828,010.80 and 4,801,315,312.80 is: 7,201,972,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,552,007.20 : 12,780,828,010.80 = 4,801,315,312.80 : x
  2. Step 2: Convert to fraction form
    8,520,552,007.20/12,780,828,010.80 = 4,801,315,312.80/x
  3. Step 3: Cross multiply
    8,520,552,007.20x = 12,780,828,010.80 × 4,801,315,312.80
  4. Step 4: Simplify right side
    8,520,552,007.20x = 61,364,785,238,517,202,944
  5. Step 5: Solve for x
    x = 61,364,785,238,517,202,944/8,520,552,007.20
  6. Step 6: Final answer
    x = 7,201,972,969.20

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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.