Home / 1,329,804,007.20-1,994,706,010.80-360,455,623.20

Finding the Fourth Proportional to 1,329,804,007.20, 1,994,706,010.80 and 360,455,623.20

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Solution

The fourth proportional to 1,329,804,007.20, 1,994,706,010.80 and 360,455,623.20 is: 540,683,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,804,007.20 : 1,994,706,010.80 = 360,455,623.20 : x
  2. Step 2: Convert to fraction form
    1,329,804,007.20/1,994,706,010.80 = 360,455,623.20/x
  3. Step 3: Cross multiply
    1,329,804,007.20x = 1,994,706,010.80 × 360,455,623.20
  4. Step 4: Simplify right side
    1,329,804,007.20x = 719,002,998,223,699,840
  5. Step 5: Solve for x
    x = 719,002,998,223,699,840/1,329,804,007.20
  6. Step 6: Final answer
    x = 540,683,434.80

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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.