Home / 1,208,792,645.58-1,813,559,011.83-619,000,480.22

Finding the Fourth Proportional to 1,208,792,645.58, 1,813,559,011.83 and 619,000,480.22

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Solution

The fourth proportional to 1,208,792,645.58, 1,813,559,011.83 and 619,000,480.22 is: 928,690,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,792,645.58 : 1,813,559,011.83 = 619,000,480.22 : x
  2. Step 2: Convert to fraction form
    1,208,792,645.58/1,813,559,011.83 = 619,000,480.22/x
  3. Step 3: Cross multiply
    1,208,792,645.58x = 1,813,559,011.83 × 619,000,480.22
  4. Step 4: Simplify right side
    1,208,792,645.58x = 1,122,593,899,230,078,720
  5. Step 5: Solve for x
    x = 1,122,593,899,230,078,720/1,208,792,645.58
  6. Step 6: Final answer
    x = 928,690,212.78

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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.