Home / 1,293,648,565.20-1,940,472,847.80-711,157,736.40

Finding the Fourth Proportional to 1,293,648,565.20, 1,940,472,847.80 and 711,157,736.40

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Solution

The fourth proportional to 1,293,648,565.20, 1,940,472,847.80 and 711,157,736.40 is: 1,066,736,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,648,565.20 : 1,940,472,847.80 = 711,157,736.40 : x
  2. Step 2: Convert to fraction form
    1,293,648,565.20/1,940,472,847.80 = 711,157,736.40/x
  3. Step 3: Cross multiply
    1,293,648,565.20x = 1,940,472,847.80 × 711,157,736.40
  4. Step 4: Simplify right side
    1,293,648,565.20x = 1,379,982,277,987,109,632
  5. Step 5: Solve for x
    x = 1,379,982,277,987,109,632/1,293,648,565.20
  6. Step 6: Final answer
    x = 1,066,736,604.60

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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.