Home / 8,709,407,999.80-13,064,111,999.70-7,811,485,286.20

Finding the Fourth Proportional to 8,709,407,999.80, 13,064,111,999.70 and 7,811,485,286.20

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Solution

The fourth proportional to 8,709,407,999.80, 13,064,111,999.70 and 7,811,485,286.20 is: 11,717,227,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709,407,999.80 : 13,064,111,999.70 = 7,811,485,286.20 : x
  2. Step 2: Convert to fraction form
    8,709,407,999.80/13,064,111,999.70 = 7,811,485,286.20/x
  3. Step 3: Cross multiply
    8,709,407,999.80x = 13,064,111,999.70 × 7,811,485,286.20
  4. Step 4: Simplify right side
    8,709,407,999.80x = 102,050,118,662,925,418,496
  5. Step 5: Solve for x
    x = 102,050,118,662,925,418,496/8,709,407,999.80
  6. Step 6: Final answer
    x = 11,717,227,929.30

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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.