Home / 525,590,178.48-725,319,145.89-290,656,646.10

Finding the Fourth Proportional to 525,590,178.48, 725,319,145.89 and 290,656,646.10

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Solution

The fourth proportional to 525,590,178.48, 725,319,145.89 and 290,656,646.10 is: 401,108,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,178.48 : 725,319,145.89 = 290,656,646.10 : x
  2. Step 2: Convert to fraction form
    525,590,178.48/725,319,145.89 = 290,656,646.10/x
  3. Step 3: Cross multiply
    525,590,178.48x = 725,319,145.89 × 290,656,646.10
  4. Step 4: Simplify right side
    525,590,178.48x = 210,818,830,296,504,000
  5. Step 5: Solve for x
    x = 210,818,830,296,504,000/525,590,178.48
  6. Step 6: Final answer
    x = 401,108,770.54

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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.