Home / 1,365,223,216.32-1,884,006,820.80-770,632,853.76

Finding the Fourth Proportional to 1,365,223,216.32, 1,884,006,820.80 and 770,632,853.76

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Solution

The fourth proportional to 1,365,223,216.32, 1,884,006,820.80 and 770,632,853.76 is: 1,063,472,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,223,216.32 : 1,884,006,820.80 = 770,632,853.76 : x
  2. Step 2: Convert to fraction form
    1,365,223,216.32/1,884,006,820.80 = 770,632,853.76/x
  3. Step 3: Cross multiply
    1,365,223,216.32x = 1,884,006,820.80 × 770,632,853.76
  4. Step 4: Simplify right side
    1,365,223,216.32x = 1,451,877,552,816,408,832
  5. Step 5: Solve for x
    x = 1,451,877,552,816,408,832/1,365,223,216.32
  6. Step 6: Final answer
    x = 1,063,472,650.82

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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.