Home / 1,124,406,031.10-1,686,609,046.65-664,107,266.30

Finding the Fourth Proportional to 1,124,406,031.10, 1,686,609,046.65 and 664,107,266.30

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Solution

The fourth proportional to 1,124,406,031.10, 1,686,609,046.65 and 664,107,266.30 is: 996,160,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,406,031.10 : 1,686,609,046.65 = 664,107,266.30 : x
  2. Step 2: Convert to fraction form
    1,124,406,031.10/1,686,609,046.65 = 664,107,266.30/x
  3. Step 3: Cross multiply
    1,124,406,031.10x = 1,686,609,046.65 × 664,107,266.30
  4. Step 4: Simplify right side
    1,124,406,031.10x = 1,120,089,323,287,580,672
  5. Step 5: Solve for x
    x = 1,120,089,323,287,580,672/1,124,406,031.10
  6. Step 6: Final answer
    x = 996,160,899.45

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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.