Home / 789,048,869.42-1,087,996,362.27-590,173,016.78

Finding the Fourth Proportional to 789,048,869.42, 1,087,996,362.27 and 590,173,016.78

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Solution

The fourth proportional to 789,048,869.42, 1,087,996,362.27 and 590,173,016.78 is: 813,772,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,048,869.42 : 1,087,996,362.27 = 590,173,016.78 : x
  2. Step 2: Convert to fraction form
    789,048,869.42/1,087,996,362.27 = 590,173,016.78/x
  3. Step 3: Cross multiply
    789,048,869.42x = 1,087,996,362.27 × 590,173,016.78
  4. Step 4: Simplify right side
    789,048,869.42x = 642,106,095,366,551,680
  5. Step 5: Solve for x
    x = 642,106,095,366,551,680/789,048,869.42
  6. Step 6: Final answer
    x = 813,772,277.30

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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.