Home / 5,135,914,703.36-7,701,443,535.36-1,989,602,961.92

Finding the Fourth Proportional to 5,135,914,703.36, 7,701,443,535.36 and 1,989,602,961.92

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Solution

The fourth proportional to 5,135,914,703.36, 7,701,443,535.36 and 1,989,602,961.92 is: 2,983,463,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,914,703.36 : 7,701,443,535.36 = 1,989,602,961.92 : x
  2. Step 2: Convert to fraction form
    5,135,914,703.36/7,701,443,535.36 = 1,989,602,961.92/x
  3. Step 3: Cross multiply
    5,135,914,703.36x = 7,701,443,535.36 × 1,989,602,961.92
  4. Step 4: Simplify right side
    5,135,914,703.36x = 15,322,814,869,011,892,224
  5. Step 5: Solve for x
    x = 15,322,814,869,011,892,224/5,135,914,703.36
  6. Step 6: Final answer
    x = 2,983,463,658.18

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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.