Home / 789,048,867.92-1,087,996,360.20-590,173,015.28

Finding the Fourth Proportional to 789,048,867.92, 1,087,996,360.20 and 590,173,015.28

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Solution

The fourth proportional to 789,048,867.92, 1,087,996,360.20 and 590,173,015.28 is: 813,772,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,048,867.92 : 1,087,996,360.20 = 590,173,015.28 : x
  2. Step 2: Convert to fraction form
    789,048,867.92/1,087,996,360.20 = 590,173,015.28/x
  3. Step 3: Cross multiply
    789,048,867.92x = 1,087,996,360.20 × 590,173,015.28
  4. Step 4: Simplify right side
    789,048,867.92x = 642,106,092,512,898,944
  5. Step 5: Solve for x
    x = 642,106,092,512,898,944/789,048,867.92
  6. Step 6: Final answer
    x = 813,772,275.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.