Home / 686,553,231,264.30-1,029,829,846,896.50-209,018,736,522.90

Finding the Fourth Proportional to 686,553,231,264.30, 1,029,829,846,896.50 and 209,018,736,522.90

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Solution

The fourth proportional to 686,553,231,264.30, 1,029,829,846,896.50 and 209,018,736,522.90 is: 313,528,104,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,553,231,264.30 : 1,029,829,846,896.50 = 209,018,736,522.90 : x
  2. Step 2: Convert to fraction form
    686,553,231,264.30/1,029,829,846,896.50 = 209,018,736,522.90/x
  3. Step 3: Cross multiply
    686,553,231,264.30x = 1,029,829,846,896.50 × 209,018,736,522.90
  4. Step 4: Simplify right side
    686,553,231,264.30x = 215,253,733,431,877,977,505,792
  5. Step 5: Solve for x
    x = 215,253,733,431,877,977,505,792/686,553,231,264.30
  6. Step 6: Final answer
    x = 313,528,104,784.37

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Double scale
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Similar ratio
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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.