Home / 663,616,612.40-995,424,918.60-526,559,946.80

Finding the Fourth Proportional to 663,616,612.40, 995,424,918.60 and 526,559,946.80

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Solution

The fourth proportional to 663,616,612.40, 995,424,918.60 and 526,559,946.80 is: 789,839,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,616,612.40 : 995,424,918.60 = 526,559,946.80 : x
  2. Step 2: Convert to fraction form
    663,616,612.40/995,424,918.60 = 526,559,946.80/x
  3. Step 3: Cross multiply
    663,616,612.40x = 995,424,918.60 × 526,559,946.80
  4. Step 4: Simplify right side
    663,616,612.40x = 524,150,892,181,410,368
  5. Step 5: Solve for x
    x = 524,150,892,181,410,368/663,616,612.40
  6. Step 6: Final answer
    x = 789,839,920.20

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Half scale
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Double scale
Find fourth proportional to 663,616,613.40, 995,424,920.10 and 526,559,947.80
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.