Home / 5,391,880,913.80-8,087,821,370.70-4,521,167,979.40

Finding the Fourth Proportional to 5,391,880,913.80, 8,087,821,370.70 and 4,521,167,979.40

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Solution

The fourth proportional to 5,391,880,913.80, 8,087,821,370.70 and 4,521,167,979.40 is: 6,781,751,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,880,913.80 : 8,087,821,370.70 = 4,521,167,979.40 : x
  2. Step 2: Convert to fraction form
    5,391,880,913.80/8,087,821,370.70 = 4,521,167,979.40/x
  3. Step 3: Cross multiply
    5,391,880,913.80x = 8,087,821,370.70 × 4,521,167,979.40
  4. Step 4: Simplify right side
    5,391,880,913.80x = 36,566,399,004,315,852,800
  5. Step 5: Solve for x
    x = 36,566,399,004,315,852,800/5,391,880,913.80
  6. Step 6: Final answer
    x = 6,781,751,969.10

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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.