Home / 283,628,392.32-391,407,182.64-153,248,200.32

Finding the Fourth Proportional to 283,628,392.32, 391,407,182.64 and 153,248,200.32

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Solution

The fourth proportional to 283,628,392.32, 391,407,182.64 and 153,248,200.32 is: 211,482,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,628,392.32 : 391,407,182.64 = 153,248,200.32 : x
  2. Step 2: Convert to fraction form
    283,628,392.32/391,407,182.64 = 153,248,200.32/x
  3. Step 3: Cross multiply
    283,628,392.32x = 391,407,182.64 × 153,248,200.32
  4. Step 4: Simplify right side
    283,628,392.32x = 59,982,446,331,901,544
  5. Step 5: Solve for x
    x = 59,982,446,331,901,544/283,628,392.32
  6. Step 6: Final answer
    x = 211,482,517.11

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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.