Home / 743,104,108.32-1,025,420,671.32-408,558,660

Finding the Fourth Proportional to 743,104,108.32, 1,025,420,671.32 and 408,558,660

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Solution

The fourth proportional to 743,104,108.32, 1,025,420,671.32 and 408,558,660 is: 563,776,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,104,108.32 : 1,025,420,671.32 = 408,558,660 : x
  2. Step 2: Convert to fraction form
    743,104,108.32/1,025,420,671.32 = 408,558,660/x
  3. Step 3: Cross multiply
    743,104,108.32x = 1,025,420,671.32 × 408,558,660
  4. Step 4: Simplify right side
    743,104,108.32x = 418,944,495,410,799,680
  5. Step 5: Solve for x
    x = 418,944,495,410,799,680/743,104,108.32
  6. Step 6: Final answer
    x = 563,776,314.41

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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.