Home / 8,520,552,006.70-12,780,828,010.05-4,801,315,312.30

Finding the Fourth Proportional to 8,520,552,006.70, 12,780,828,010.05 and 4,801,315,312.30

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Solution

The fourth proportional to 8,520,552,006.70, 12,780,828,010.05 and 4,801,315,312.30 is: 7,201,972,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,552,006.70 : 12,780,828,010.05 = 4,801,315,312.30 : x
  2. Step 2: Convert to fraction form
    8,520,552,006.70/12,780,828,010.05 = 4,801,315,312.30/x
  3. Step 3: Cross multiply
    8,520,552,006.70x = 12,780,828,010.05 × 4,801,315,312.30
  4. Step 4: Simplify right side
    8,520,552,006.70x = 61,364,785,228,525,805,568
  5. Step 5: Solve for x
    x = 61,364,785,228,525,805,568/8,520,552,006.70
  6. Step 6: Final answer
    x = 7,201,972,968.45

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Double scale
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Similar ratio
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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.