Home / 525,590,176.98-725,319,143.82-290,656,644.60

Finding the Fourth Proportional to 525,590,176.98, 725,319,143.82 and 290,656,644.60

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Solution

The fourth proportional to 525,590,176.98, 725,319,143.82 and 290,656,644.60 is: 401,108,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,176.98 : 725,319,143.82 = 290,656,644.60 : x
  2. Step 2: Convert to fraction form
    525,590,176.98/725,319,143.82 = 290,656,644.60/x
  3. Step 3: Cross multiply
    525,590,176.98x = 725,319,143.82 × 290,656,644.60
  4. Step 4: Simplify right side
    525,590,176.98x = 210,818,828,606,866,048
  5. Step 5: Solve for x
    x = 210,818,828,606,866,048/525,590,176.98
  6. Step 6: Final answer
    x = 401,108,768.47

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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.