Home / 438,054,848.45-604,419,046.54-259,350,001.47

Finding the Fourth Proportional to 438,054,848.45, 604,419,046.54 and 259,350,001.47

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Solution

The fourth proportional to 438,054,848.45, 604,419,046.54 and 259,350,001.47 is: 357,845,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,054,848.45 : 604,419,046.54 = 259,350,001.47 : x
  2. Step 2: Convert to fraction form
    438,054,848.45/604,419,046.54 = 259,350,001.47/x
  3. Step 3: Cross multiply
    438,054,848.45x = 604,419,046.54 × 259,350,001.47
  4. Step 4: Simplify right side
    438,054,848.45x = 156,756,080,607,996,640
  5. Step 5: Solve for x
    x = 156,756,080,607,996,640/438,054,848.45
  6. Step 6: Final answer
    x = 357,845,783.84

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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.