Home / 525,590,179.23-725,319,146.93-290,656,646.85

Finding the Fourth Proportional to 525,590,179.23, 725,319,146.93 and 290,656,646.85

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Solution

The fourth proportional to 525,590,179.23, 725,319,146.93 and 290,656,646.85 is: 401,108,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,179.23 : 725,319,146.93 = 290,656,646.85 : x
  2. Step 2: Convert to fraction form
    525,590,179.23/725,319,146.93 = 290,656,646.85/x
  3. Step 3: Cross multiply
    525,590,179.23x = 725,319,146.93 × 290,656,646.85
  4. Step 4: Simplify right side
    525,590,179.23x = 210,818,831,141,322,976
  5. Step 5: Solve for x
    x = 210,818,831,141,322,976/525,590,179.23
  6. Step 6: Final answer
    x = 401,108,771.57

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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.