Home / 1,641,859,897.80-2,459,355,965.10-769,206,073.80

Finding the Fourth Proportional to 1,641,859,897.80, 2,459,355,965.10 and 769,206,073.80

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Solution

The fourth proportional to 1,641,859,897.80, 2,459,355,965.10 and 769,206,073.80 is: 1,152,200,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,859,897.80 : 2,459,355,965.10 = 769,206,073.80 : x
  2. Step 2: Convert to fraction form
    1,641,859,897.80/2,459,355,965.10 = 769,206,073.80/x
  3. Step 3: Cross multiply
    1,641,859,897.80x = 2,459,355,965.10 × 769,206,073.80
  4. Step 4: Simplify right side
    1,641,859,897.80x = 1,891,751,545,991,180,544
  5. Step 5: Solve for x
    x = 1,891,751,545,991,180,544/1,641,859,897.80
  6. Step 6: Final answer
    x = 1,152,200,348.23

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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.