Home / 1,761,503,642.91-2,643,285,795.64-656,871,637.95

Finding the Fourth Proportional to 1,761,503,642.91, 2,643,285,795.64 and 656,871,637.95

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Solution

The fourth proportional to 1,761,503,642.91, 2,643,285,795.64 and 656,871,637.95 is: 985,691,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,503,642.91 : 2,643,285,795.64 = 656,871,637.95 : x
  2. Step 2: Convert to fraction form
    1,761,503,642.91/2,643,285,795.64 = 656,871,637.95/x
  3. Step 3: Cross multiply
    1,761,503,642.91x = 2,643,285,795.64 × 656,871,637.95
  4. Step 4: Simplify right side
    1,761,503,642.91x = 1,736,299,470,150,373,632
  5. Step 5: Solve for x
    x = 1,736,299,470,150,373,632/1,761,503,642.91
  6. Step 6: Final answer
    x = 985,691,671.51

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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.