Home / 1,535,517,824.88-2,119,009,980.01-830,669,611.28

Finding the Fourth Proportional to 1,535,517,824.88, 2,119,009,980.01 and 830,669,611.28

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Solution

The fourth proportional to 1,535,517,824.88, 2,119,009,980.01 and 830,669,611.28 is: 1,146,321,565.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,517,824.88 : 2,119,009,980.01 = 830,669,611.28 : x
  2. Step 2: Convert to fraction form
    1,535,517,824.88/2,119,009,980.01 = 830,669,611.28/x
  3. Step 3: Cross multiply
    1,535,517,824.88x = 2,119,009,980.01 × 830,669,611.28
  4. Step 4: Simplify right side
    1,535,517,824.88x = 1,760,197,196,393,347,328
  5. Step 5: Solve for x
    x = 1,760,197,196,393,347,328/1,535,517,824.88
  6. Step 6: Final answer
    x = 1,146,321,565.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.