Home / 662,281,657.20-993,422,485.80-651,532,114.80

Finding the Fourth Proportional to 662,281,657.20, 993,422,485.80 and 651,532,114.80

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Solution

The fourth proportional to 662,281,657.20, 993,422,485.80 and 651,532,114.80 is: 977,298,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,281,657.20 : 993,422,485.80 = 651,532,114.80 : x
  2. Step 2: Convert to fraction form
    662,281,657.20/993,422,485.80 = 651,532,114.80/x
  3. Step 3: Cross multiply
    662,281,657.20x = 993,422,485.80 × 651,532,114.80
  4. Step 4: Simplify right side
    662,281,657.20x = 647,246,653,063,146,880
  5. Step 5: Solve for x
    x = 647,246,653,063,146,880/662,281,657.20
  6. Step 6: Final answer
    x = 977,298,172.20

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Double scale
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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.