Home / 20,785,400,603.70-31,178,100,905.55-16,867,192,398.90

Finding the Fourth Proportional to 20,785,400,603.70, 31,178,100,905.55 and 16,867,192,398.90

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Solution

The fourth proportional to 20,785,400,603.70, 31,178,100,905.55 and 16,867,192,398.90 is: 25,300,788,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,400,603.70 : 31,178,100,905.55 = 16,867,192,398.90 : x
  2. Step 2: Convert to fraction form
    20,785,400,603.70/31,178,100,905.55 = 16,867,192,398.90/x
  3. Step 3: Cross multiply
    20,785,400,603.70x = 31,178,100,905.55 × 16,867,192,398.90
  4. Step 4: Simplify right side
    20,785,400,603.70x = 525,887,026,606,230,142,976
  5. Step 5: Solve for x
    x = 525,887,026,606,230,142,976/20,785,400,603.70
  6. Step 6: Final answer
    x = 25,300,788,598.35

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1.5x scale

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.