Home / 1,365,879,876.80-2,046,132,429.60-818,996,907.20

Finding the Fourth Proportional to 1,365,879,876.80, 2,046,132,429.60 and 818,996,907.20

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Solution

The fourth proportional to 1,365,879,876.80, 2,046,132,429.60 and 818,996,907.20 is: 1,226,883,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,879,876.80 : 2,046,132,429.60 = 818,996,907.20 : x
  2. Step 2: Convert to fraction form
    1,365,879,876.80/2,046,132,429.60 = 818,996,907.20/x
  3. Step 3: Cross multiply
    1,365,879,876.80x = 2,046,132,429.60 × 818,996,907.20
  4. Step 4: Simplify right side
    1,365,879,876.80x = 1,675,776,131,564,021,760
  5. Step 5: Solve for x
    x = 1,675,776,131,564,021,760/1,365,879,876.80
  6. Step 6: Final answer
    x = 1,226,883,974.23

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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.