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Finding the Fourth Proportional to 927,709,672, 1,280,206,727.04 and 510,018,916

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Solution

The fourth proportional to 927,709,672, 1,280,206,727.04 and 510,018,916 is: 703,808,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,709,672 : 1,280,206,727.04 = 510,018,916 : x
  2. Step 2: Convert to fraction form
    927,709,672/1,280,206,727.04 = 510,018,916/x
  3. Step 3: Cross multiply
    927,709,672x = 1,280,206,727.04 × 510,018,916
  4. Step 4: Simplify right side
    927,709,672x = 652,929,647,180,848,640
  5. Step 5: Solve for x
    x = 652,929,647,180,848,640/927,709,672
  6. Step 6: Final answer
    x = 703,808,170.69

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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.