Home / 523,235,220,045.40-722,198,950,866.20-340,786,966,310.25

Finding the Fourth Proportional to 523,235,220,045.40, 722,198,950,866.20 and 340,786,966,310.25

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Solution

The fourth proportional to 523,235,220,045.40, 722,198,950,866.20 and 340,786,966,310.25 is: 470,373,514,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,235,220,045.40 : 722,198,950,866.20 = 340,786,966,310.25 : x
  2. Step 2: Convert to fraction form
    523,235,220,045.40/722,198,950,866.20 = 340,786,966,310.25/x
  3. Step 3: Cross multiply
    523,235,220,045.40x = 722,198,950,866.20 × 340,786,966,310.25
  4. Step 4: Simplify right side
    523,235,220,045.40x = 246,115,989,538,137,582,862,336
  5. Step 5: Solve for x
    x = 246,115,989,538,137,582,862,336/523,235,220,045.40
  6. Step 6: Final answer
    x = 470,373,514,834.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.