Home / 1,131,185,652.17-1,561,011,720.23-654,896,103.78

Finding the Fourth Proportional to 1,131,185,652.17, 1,561,011,720.23 and 654,896,103.78

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Solution

The fourth proportional to 1,131,185,652.17, 1,561,011,720.23 and 654,896,103.78 is: 903,742,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,185,652.17 : 1,561,011,720.23 = 654,896,103.78 : x
  2. Step 2: Convert to fraction form
    1,131,185,652.17/1,561,011,720.23 = 654,896,103.78/x
  3. Step 3: Cross multiply
    1,131,185,652.17x = 1,561,011,720.23 × 654,896,103.78
  4. Step 4: Simplify right side
    1,131,185,652.17x = 1,022,300,493,541,033,600
  5. Step 5: Solve for x
    x = 1,022,300,493,541,033,600/1,131,185,652.17
  6. Step 6: Final answer
    x = 903,742,450.75

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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.