Home / 1,208,792,645.33-1,813,559,011.46-619,000,479.97

Finding the Fourth Proportional to 1,208,792,645.33, 1,813,559,011.46 and 619,000,479.97

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Solution

The fourth proportional to 1,208,792,645.33, 1,813,559,011.46 and 619,000,479.97 is: 928,690,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,792,645.33 : 1,813,559,011.46 = 619,000,479.97 : x
  2. Step 2: Convert to fraction form
    1,208,792,645.33/1,813,559,011.46 = 619,000,479.97/x
  3. Step 3: Cross multiply
    1,208,792,645.33x = 1,813,559,011.46 × 619,000,479.97
  4. Step 4: Simplify right side
    1,208,792,645.33x = 1,122,593,898,544,563,712
  5. Step 5: Solve for x
    x = 1,122,593,898,544,563,712/1,208,792,645.33
  6. Step 6: Final answer
    x = 928,690,212.40

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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.