Home / 841,393,529.65-1,267,833,414.82-691,399,621.81

Finding the Fourth Proportional to 841,393,529.65, 1,267,833,414.82 and 691,399,621.81

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Solution

The fourth proportional to 841,393,529.65, 1,267,833,414.82 and 691,399,621.81 is: 1,041,818,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,393,529.65 : 1,267,833,414.82 = 691,399,621.81 : x
  2. Step 2: Convert to fraction form
    841,393,529.65/1,267,833,414.82 = 691,399,621.81/x
  3. Step 3: Cross multiply
    841,393,529.65x = 1,267,833,414.82 × 691,399,621.81
  4. Step 4: Simplify right side
    841,393,529.65x = 876,579,543,524,628,736
  5. Step 5: Solve for x
    x = 876,579,543,524,628,736/841,393,529.65
  6. Step 6: Final answer
    x = 1,041,818,735.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.