Home / 1,586,609,126.40-2,379,913,689.60-496,202,419.20

Finding the Fourth Proportional to 1,586,609,126.40, 2,379,913,689.60 and 496,202,419.20

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Solution

The fourth proportional to 1,586,609,126.40, 2,379,913,689.60 and 496,202,419.20 is: 744,303,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,609,126.40 : 2,379,913,689.60 = 496,202,419.20 : x
  2. Step 2: Convert to fraction form
    1,586,609,126.40/2,379,913,689.60 = 496,202,419.20/x
  3. Step 3: Cross multiply
    1,586,609,126.40x = 2,379,913,689.60 × 496,202,419.20
  4. Step 4: Simplify right side
    1,586,609,126.40x = 1,180,918,930,266,717,696
  5. Step 5: Solve for x
    x = 1,180,918,930,266,717,696/1,586,609,126.40
  6. Step 6: Final answer
    x = 744,303,628.80

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Half scale
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Double scale
Find fourth proportional to 1,586,609,127.40, 2,379,913,691.10 and 496,202,420.20
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.