Home / 1,247,880,750,127.90-1,870,514,701,815.90-522,227,839,839.60

Finding the Fourth Proportional to 1,247,880,750,127.90, 1,870,514,701,815.90 and 522,227,839,839.60

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Solution

The fourth proportional to 1,247,880,750,127.90, 1,870,514,701,815.90 and 522,227,839,839.60 is: 782,795,032,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,880,750,127.90 : 1,870,514,701,815.90 = 522,227,839,839.60 : x
  2. Step 2: Convert to fraction form
    1,247,880,750,127.90/1,870,514,701,815.90 = 522,227,839,839.60/x
  3. Step 3: Cross multiply
    1,247,880,750,127.90x = 1,870,514,701,815.90 × 522,227,839,839.60
  4. Step 4: Simplify right side
    1,247,880,750,127.90x = 976,834,852,117,530,934,247,424
  5. Step 5: Solve for x
    x = 976,834,852,117,530,934,247,424/1,247,880,750,127.90
  6. Step 6: Final answer
    x = 782,795,032,311.71

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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.