Home / 65,583,443,058.28-90,505,194,138.66-35,509,947,988.84

Finding the Fourth Proportional to 65,583,443,058.28, 90,505,194,138.66 and 35,509,947,988.84

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Solution

The fourth proportional to 65,583,443,058.28, 90,505,194,138.66 and 35,509,947,988.84 is: 49,003,751,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,583,443,058.28 : 90,505,194,138.66 = 35,509,947,988.84 : x
  2. Step 2: Convert to fraction form
    65,583,443,058.28/90,505,194,138.66 = 35,509,947,988.84/x
  3. Step 3: Cross multiply
    65,583,443,058.28x = 90,505,194,138.66 × 35,509,947,988.84
  4. Step 4: Simplify right side
    65,583,443,058.28x = 3,213,834,736,583,683,080,192
  5. Step 5: Solve for x
    x = 3,213,834,736,583,683,080,192/65,583,443,058.28
  6. Step 6: Final answer
    x = 49,003,751,354.25

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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.