Home / 7,950,656,356.80-11,925,872,560.80-3,588,581,630.40

Finding the Fourth Proportional to 7,950,656,356.80, 11,925,872,560.80 and 3,588,581,630.40

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Solution

The fourth proportional to 7,950,656,356.80, 11,925,872,560.80 and 3,588,581,630.40 is: 5,382,821,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950,656,356.80 : 11,925,872,560.80 = 3,588,581,630.40 : x
  2. Step 2: Convert to fraction form
    7,950,656,356.80/11,925,872,560.80 = 3,588,581,630.40/x
  3. Step 3: Cross multiply
    7,950,656,356.80x = 11,925,872,560.80 × 3,588,581,630.40
  4. Step 4: Simplify right side
    7,950,656,356.80x = 42,796,967,198,178,287,616
  5. Step 5: Solve for x
    x = 42,796,967,198,178,287,616/7,950,656,356.80
  6. Step 6: Final answer
    x = 5,382,821,905.21

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1.5x scale

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.