Home / 525,900,866.12-725,737,814.32-290,953,208.11

Finding the Fourth Proportional to 525,900,866.12, 725,737,814.32 and 290,953,208.11

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Solution

The fourth proportional to 525,900,866.12, 725,737,814.32 and 290,953,208.11 is: 401,512,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,900,866.12 : 725,737,814.32 = 290,953,208.11 : x
  2. Step 2: Convert to fraction form
    525,900,866.12/725,737,814.32 = 290,953,208.11/x
  3. Step 3: Cross multiply
    525,900,866.12x = 725,737,814.32 × 290,953,208.11
  4. Step 4: Simplify right side
    525,900,866.12x = 211,155,745,323,143,520
  5. Step 5: Solve for x
    x = 211,155,745,323,143,520/525,900,866.12
  6. Step 6: Final answer
    x = 401,512,450.21

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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.