Home / 10,312,991,053.88-15,453,697,521.66-6,939,065,065.61

Finding the Fourth Proportional to 10,312,991,053.88, 15,453,697,521.66 and 6,939,065,065.61

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Solution

The fourth proportional to 10,312,991,053.88, 15,453,697,521.66 and 6,939,065,065.61 is: 10,397,973,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312,991,053.88 : 15,453,697,521.66 = 6,939,065,065.61 : x
  2. Step 2: Convert to fraction form
    10,312,991,053.88/15,453,697,521.66 = 6,939,065,065.61/x
  3. Step 3: Cross multiply
    10,312,991,053.88x = 15,453,697,521.66 × 6,939,065,065.61
  4. Step 4: Simplify right side
    10,312,991,053.88x = 107,234,212,607,093,374,976
  5. Step 5: Solve for x
    x = 107,234,212,607,093,374,976/10,312,991,053.88
  6. Step 6: Final answer
    x = 10,397,973,977.38

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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.