Home / 1,089,654,649.80-1,634,481,974.70-724,966,470.60

Finding the Fourth Proportional to 1,089,654,649.80, 1,634,481,974.70 and 724,966,470.60

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Solution

The fourth proportional to 1,089,654,649.80, 1,634,481,974.70 and 724,966,470.60 is: 1,087,449,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,654,649.80 : 1,634,481,974.70 = 724,966,470.60 : x
  2. Step 2: Convert to fraction form
    1,089,654,649.80/1,634,481,974.70 = 724,966,470.60/x
  3. Step 3: Cross multiply
    1,089,654,649.80x = 1,634,481,974.70 × 724,966,470.60
  4. Step 4: Simplify right side
    1,089,654,649.80x = 1,184,944,628,457,577,472
  5. Step 5: Solve for x
    x = 1,184,944,628,457,577,472/1,089,654,649.80
  6. Step 6: Final answer
    x = 1,087,449,705.90

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Half scale
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Double scale
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Similar ratio
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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.