Home / 789,048,866.92-1,087,996,358.82-590,173,014.28

Finding the Fourth Proportional to 789,048,866.92, 1,087,996,358.82 and 590,173,014.28

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Solution

The fourth proportional to 789,048,866.92, 1,087,996,358.82 and 590,173,014.28 is: 813,772,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,048,866.92 : 1,087,996,358.82 = 590,173,014.28 : x
  2. Step 2: Convert to fraction form
    789,048,866.92/1,087,996,358.82 = 590,173,014.28/x
  3. Step 3: Cross multiply
    789,048,866.92x = 1,087,996,358.82 × 590,173,014.28
  4. Step 4: Simplify right side
    789,048,866.92x = 642,106,090,610,463,744
  5. Step 5: Solve for x
    x = 642,106,090,610,463,744/789,048,866.92
  6. Step 6: Final answer
    x = 813,772,273.85

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1.5x scale

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.