Home / 1,124,406,076.60-1,686,609,114.90-664,107,311.80

Finding the Fourth Proportional to 1,124,406,076.60, 1,686,609,114.90 and 664,107,311.80

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Solution

The fourth proportional to 1,124,406,076.60, 1,686,609,114.90 and 664,107,311.80 is: 996,160,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,406,076.60 : 1,686,609,114.90 = 664,107,311.80 : x
  2. Step 2: Convert to fraction form
    1,124,406,076.60/1,686,609,114.90 = 664,107,311.80/x
  3. Step 3: Cross multiply
    1,124,406,076.60x = 1,686,609,114.90 × 664,107,311.80
  4. Step 4: Simplify right side
    1,124,406,076.60x = 1,120,089,445,353,616,256
  5. Step 5: Solve for x
    x = 1,120,089,445,353,616,256/1,124,406,076.60
  6. Step 6: Final answer
    x = 996,160,967.70

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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.