Home / 1,941,512,810.70-2,912,269,216.05-715,561,092.30

Finding the Fourth Proportional to 1,941,512,810.70, 2,912,269,216.05 and 715,561,092.30

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Solution

The fourth proportional to 1,941,512,810.70, 2,912,269,216.05 and 715,561,092.30 is: 1,073,341,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,512,810.70 : 2,912,269,216.05 = 715,561,092.30 : x
  2. Step 2: Convert to fraction form
    1,941,512,810.70/2,912,269,216.05 = 715,561,092.30/x
  3. Step 3: Cross multiply
    1,941,512,810.70x = 2,912,269,216.05 × 715,561,092.30
  4. Step 4: Simplify right side
    1,941,512,810.70x = 2,083,906,541,308,402,688
  5. Step 5: Solve for x
    x = 2,083,906,541,308,402,688/1,941,512,810.70
  6. Step 6: Final answer
    x = 1,073,341,638.45

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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.