Home / 657,932,133.70-986,898,200.55-554,620,003.30

Finding the Fourth Proportional to 657,932,133.70, 986,898,200.55 and 554,620,003.30

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Solution

The fourth proportional to 657,932,133.70, 986,898,200.55 and 554,620,003.30 is: 831,930,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,932,133.70 : 986,898,200.55 = 554,620,003.30 : x
  2. Step 2: Convert to fraction form
    657,932,133.70/986,898,200.55 = 554,620,003.30/x
  3. Step 3: Cross multiply
    657,932,133.70x = 986,898,200.55 × 554,620,003.30
  4. Step 4: Simplify right side
    657,932,133.70x = 547,353,483,245,804,992
  5. Step 5: Solve for x
    x = 547,353,483,245,804,992/657,932,133.70
  6. Step 6: Final answer
    x = 831,930,004.95

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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.