Home / 9,220,734,042.55-12,724,617,086.91-4,991,645,794.32

Finding the Fourth Proportional to 9,220,734,042.55, 12,724,617,086.91 and 4,991,645,794.32

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Solution

The fourth proportional to 9,220,734,042.55, 12,724,617,086.91 and 4,991,645,794.32 is: 6,888,473,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,734,042.55 : 12,724,617,086.91 = 4,991,645,794.32 : x
  2. Step 2: Convert to fraction form
    9,220,734,042.55/12,724,617,086.91 = 4,991,645,794.32/x
  3. Step 3: Cross multiply
    9,220,734,042.55x = 12,724,617,086.91 × 4,991,645,794.32
  4. Step 4: Simplify right side
    9,220,734,042.55x = 63,516,781,366,206,709,760
  5. Step 5: Solve for x
    x = 63,516,781,366,206,709,760/9,220,734,042.55
  6. Step 6: Final answer
    x = 6,888,473,420.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.