Home / 1,087,009,709.20-1,628,601,376.20-933,954,701.20

Finding the Fourth Proportional to 1,087,009,709.20, 1,628,601,376.20 and 933,954,701.20

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Solution

The fourth proportional to 1,087,009,709.20, 1,628,601,376.20 and 933,954,701.20 is: 1,399,288,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,009,709.20 : 1,628,601,376.20 = 933,954,701.20 : x
  2. Step 2: Convert to fraction form
    1,087,009,709.20/1,628,601,376.20 = 933,954,701.20/x
  3. Step 3: Cross multiply
    1,087,009,709.20x = 1,628,601,376.20 × 933,954,701.20
  4. Step 4: Simplify right side
    1,087,009,709.20x = 1,521,039,911,682,779,904
  5. Step 5: Solve for x
    x = 1,521,039,911,682,779,904/1,087,009,709.20
  6. Step 6: Final answer
    x = 1,399,288,248.13

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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.