Home / 943,383,409.20-1,415,075,113.80-288,333,169.20

Finding the Fourth Proportional to 943,383,409.20, 1,415,075,113.80 and 288,333,169.20

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Solution

The fourth proportional to 943,383,409.20, 1,415,075,113.80 and 288,333,169.20 is: 432,499,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,383,409.20 : 1,415,075,113.80 = 288,333,169.20 : x
  2. Step 2: Convert to fraction form
    943,383,409.20/1,415,075,113.80 = 288,333,169.20/x
  3. Step 3: Cross multiply
    943,383,409.20x = 1,415,075,113.80 × 288,333,169.20
  4. Step 4: Simplify right side
    943,383,409.20x = 408,013,092,218,004,608
  5. Step 5: Solve for x
    x = 408,013,092,218,004,608/943,383,409.20
  6. Step 6: Final answer
    x = 432,499,753.80

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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.