Home / 943,382,023.20-1,415,073,034.80-288,331,783.20

Finding the Fourth Proportional to 943,382,023.20, 1,415,073,034.80 and 288,331,783.20

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Solution

The fourth proportional to 943,382,023.20, 1,415,073,034.80 and 288,331,783.20 is: 432,497,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,382,023.20 : 1,415,073,034.80 = 288,331,783.20 : x
  2. Step 2: Convert to fraction form
    943,382,023.20/1,415,073,034.80 = 288,331,783.20/x
  3. Step 3: Cross multiply
    943,382,023.20x = 1,415,073,034.80 × 288,331,783.20
  4. Step 4: Simplify right side
    943,382,023.20x = 408,010,531,482,119,616
  5. Step 5: Solve for x
    x = 408,010,531,482,119,616/943,382,023.20
  6. Step 6: Final answer
    x = 432,497,674.80

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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.