Home / 1,434,826,748.40-2,150,885,932.20-778,810,729.20

Finding the Fourth Proportional to 1,434,826,748.40, 2,150,885,932.20 and 778,810,729.20

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Solution

The fourth proportional to 1,434,826,748.40, 2,150,885,932.20 and 778,810,729.20 is: 1,167,481,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,826,748.40 : 2,150,885,932.20 = 778,810,729.20 : x
  2. Step 2: Convert to fraction form
    1,434,826,748.40/2,150,885,932.20 = 778,810,729.20/x
  3. Step 3: Cross multiply
    1,434,826,748.40x = 2,150,885,932.20 × 778,810,729.20
  4. Step 4: Simplify right side
    1,434,826,748.40x = 1,675,133,041,282,703,616
  5. Step 5: Solve for x
    x = 1,675,133,041,282,703,616/1,434,826,748.40
  6. Step 6: Final answer
    x = 1,167,481,051.74

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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.