Home / 1,247,880,750,124.40-1,870,514,701,810.60-522,227,839,836.12

Finding the Fourth Proportional to 1,247,880,750,124.40, 1,870,514,701,810.60 and 522,227,839,836.12

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Solution

The fourth proportional to 1,247,880,750,124.40, 1,870,514,701,810.60 and 522,227,839,836.12 is: 782,795,032,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,880,750,124.40 : 1,870,514,701,810.60 = 522,227,839,836.12 : x
  2. Step 2: Convert to fraction form
    1,247,880,750,124.40/1,870,514,701,810.60 = 522,227,839,836.12/x
  3. Step 3: Cross multiply
    1,247,880,750,124.40x = 1,870,514,701,810.60 × 522,227,839,836.12
  4. Step 4: Simplify right side
    1,247,880,750,124.40x = 976,834,852,108,253,804,888,064
  5. Step 5: Solve for x
    x = 976,834,852,108,253,804,888,064/1,247,880,750,124.40
  6. Step 6: Final answer
    x = 782,795,032,306.47

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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.