Home / 702,542,874.96-1,053,112,810.32-469,569,813.12

Finding the Fourth Proportional to 702,542,874.96, 1,053,112,810.32 and 469,569,813.12

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Solution

The fourth proportional to 702,542,874.96, 1,053,112,810.32 and 469,569,813.12 is: 703,885,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,542,874.96 : 1,053,112,810.32 = 469,569,813.12 : x
  2. Step 2: Convert to fraction form
    702,542,874.96/1,053,112,810.32 = 469,569,813.12/x
  3. Step 3: Cross multiply
    702,542,874.96x = 1,053,112,810.32 × 469,569,813.12
  4. Step 4: Simplify right side
    702,542,874.96x = 494,509,985,536,240,448
  5. Step 5: Solve for x
    x = 494,509,985,536,240,448/702,542,874.96
  6. Step 6: Final answer
    x = 703,885,845.49

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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.