Home / 1,705,645,198.86-2,558,467,799.01-615,128,266.86

Finding the Fourth Proportional to 1,705,645,198.86, 2,558,467,799.01 and 615,128,266.86

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Solution

The fourth proportional to 1,705,645,198.86, 2,558,467,799.01 and 615,128,266.86 is: 922,692,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,645,198.86 : 2,558,467,799.01 = 615,128,266.86 : x
  2. Step 2: Convert to fraction form
    1,705,645,198.86/2,558,467,799.01 = 615,128,266.86/x
  3. Step 3: Cross multiply
    1,705,645,198.86x = 2,558,467,799.01 × 615,128,266.86
  4. Step 4: Simplify right side
    1,705,645,198.86x = 1,573,785,863,022,140,416
  5. Step 5: Solve for x
    x = 1,573,785,863,022,140,416/1,705,645,198.86
  6. Step 6: Final answer
    x = 922,692,400.55

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Double scale
Find fourth proportional to 1,705,645,199.86, 2,558,467,800.51 and 615,128,267.86
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.