Home / 1,040,276,041.60-1,560,414,062.40-945,041,814.40

Finding the Fourth Proportional to 1,040,276,041.60, 1,560,414,062.40 and 945,041,814.40

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Solution

The fourth proportional to 1,040,276,041.60, 1,560,414,062.40 and 945,041,814.40 is: 1,417,562,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,276,041.60 : 1,560,414,062.40 = 945,041,814.40 : x
  2. Step 2: Convert to fraction form
    1,040,276,041.60/1,560,414,062.40 = 945,041,814.40/x
  3. Step 3: Cross multiply
    1,040,276,041.60x = 1,560,414,062.40 × 945,041,814.40
  4. Step 4: Simplify right side
    1,040,276,041.60x = 1,474,656,536,745,770,752
  5. Step 5: Solve for x
    x = 1,474,656,536,745,770,752/1,040,276,041.60
  6. Step 6: Final answer
    x = 1,417,562,721.60

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1.5x scale

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.