Home / 1,069,725,020.88-1,475,595,104.13-672,619,314.90

Finding the Fourth Proportional to 1,069,725,020.88, 1,475,595,104.13 and 672,619,314.90

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Solution

The fourth proportional to 1,069,725,020.88, 1,475,595,104.13 and 672,619,314.90 is: 927,821,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,725,020.88 : 1,475,595,104.13 = 672,619,314.90 : x
  2. Step 2: Convert to fraction form
    1,069,725,020.88/1,475,595,104.13 = 672,619,314.90/x
  3. Step 3: Cross multiply
    1,069,725,020.88x = 1,475,595,104.13 × 672,619,314.90
  4. Step 4: Simplify right side
    1,069,725,020.88x = 992,513,768,009,714,816
  5. Step 5: Solve for x
    x = 992,513,768,009,714,816/1,069,725,020.88
  6. Step 6: Final answer
    x = 927,821,401.42

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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.