Home / 1,379,064,703.80-2,069,604,825.30-970,918,015.80

Finding the Fourth Proportional to 1,379,064,703.80, 2,069,604,825.30 and 970,918,015.80

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Solution

The fourth proportional to 1,379,064,703.80, 2,069,604,825.30 and 970,918,015.80 is: 1,457,086,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,064,703.80 : 2,069,604,825.30 = 970,918,015.80 : x
  2. Step 2: Convert to fraction form
    1,379,064,703.80/2,069,604,825.30 = 970,918,015.80/x
  3. Step 3: Cross multiply
    1,379,064,703.80x = 2,069,604,825.30 × 970,918,015.80
  4. Step 4: Simplify right side
    1,379,064,703.80x = 2,009,416,610,470,381,568
  5. Step 5: Solve for x
    x = 2,009,416,610,470,381,568/1,379,064,703.80
  6. Step 6: Final answer
    x = 1,457,086,534.76

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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.