Home / 828,487,604.88-1,143,742,753.08-605,218,582.80

Finding the Fourth Proportional to 828,487,604.88, 1,143,742,753.08 and 605,218,582.80

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Solution

The fourth proportional to 828,487,604.88, 1,143,742,753.08 and 605,218,582.80 is: 835,515,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,487,604.88 : 1,143,742,753.08 = 605,218,582.80 : x
  2. Step 2: Convert to fraction form
    828,487,604.88/1,143,742,753.08 = 605,218,582.80/x
  3. Step 3: Cross multiply
    828,487,604.88x = 1,143,742,753.08 × 605,218,582.80
  4. Step 4: Simplify right side
    828,487,604.88x = 692,214,368,106,847,872
  5. Step 5: Solve for x
    x = 692,214,368,106,847,872/828,487,604.88
  6. Step 6: Final answer
    x = 835,515,660.14

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Double scale
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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.