Home / 1,800,767,980.77-2,702,075,372.37-868,885,565.79

Finding the Fourth Proportional to 1,800,767,980.77, 2,702,075,372.37 and 868,885,565.79

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Solution

The fourth proportional to 1,800,767,980.77, 2,702,075,372.37 and 868,885,565.79 is: 1,303,773,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,767,980.77 : 2,702,075,372.37 = 868,885,565.79 : x
  2. Step 2: Convert to fraction form
    1,800,767,980.77/2,702,075,372.37 = 868,885,565.79/x
  3. Step 3: Cross multiply
    1,800,767,980.77x = 2,702,075,372.37 × 868,885,565.79
  4. Step 4: Simplify right side
    1,800,767,980.77x = 2,347,794,288,728,932,352
  5. Step 5: Solve for x
    x = 2,347,794,288,728,932,352/1,800,767,980.77
  6. Step 6: Final answer
    x = 1,303,773,897.47

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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.