Home / 9,681,521,350.15-13,360,363,653.99-5,394,915,341.92

Finding the Fourth Proportional to 9,681,521,350.15, 13,360,363,653.99 and 5,394,915,341.92

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Solution

The fourth proportional to 9,681,521,350.15, 13,360,363,653.99 and 5,394,915,341.92 is: 7,444,907,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681,521,350.15 : 13,360,363,653.99 = 5,394,915,341.92 : x
  2. Step 2: Convert to fraction form
    9,681,521,350.15/13,360,363,653.99 = 5,394,915,341.92/x
  3. Step 3: Cross multiply
    9,681,521,350.15x = 13,360,363,653.99 × 5,394,915,341.92
  4. Step 4: Simplify right side
    9,681,521,350.15x = 72,078,030,850,541,002,752
  5. Step 5: Solve for x
    x = 72,078,030,850,541,002,752/9,681,521,350.15
  6. Step 6: Final answer
    x = 7,444,907,493.74

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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.