Home / 1,254,286,801.41-1,730,961,296.24-718,542,009.32

Finding the Fourth Proportional to 1,254,286,801.41, 1,730,961,296.24 and 718,542,009.32

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Solution

The fourth proportional to 1,254,286,801.41, 1,730,961,296.24 and 718,542,009.32 is: 991,614,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,286,801.41 : 1,730,961,296.24 = 718,542,009.32 : x
  2. Step 2: Convert to fraction form
    1,254,286,801.41/1,730,961,296.24 = 718,542,009.32/x
  3. Step 3: Cross multiply
    1,254,286,801.41x = 1,730,961,296.24 × 718,542,009.32
  4. Step 4: Simplify right side
    1,254,286,801.41x = 1,243,768,407,865,291,008
  5. Step 5: Solve for x
    x = 1,243,768,407,865,291,008/1,254,286,801.41
  6. Step 6: Final answer
    x = 991,614,044.31

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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.