Home / 632,777,795.52-873,233,054.10-378,459,147.74

Finding the Fourth Proportional to 632,777,795.52, 873,233,054.10 and 378,459,147.74

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Solution

The fourth proportional to 632,777,795.52, 873,233,054.10 and 378,459,147.74 is: 522,273,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,777,795.52 : 873,233,054.10 = 378,459,147.74 : x
  2. Step 2: Convert to fraction form
    632,777,795.52/873,233,054.10 = 378,459,147.74/x
  3. Step 3: Cross multiply
    632,777,795.52x = 873,233,054.10 × 378,459,147.74
  4. Step 4: Simplify right side
    632,777,795.52x = 330,483,037,428,717,184
  5. Step 5: Solve for x
    x = 330,483,037,428,717,184/632,777,795.52
  6. Step 6: Final answer
    x = 522,273,442.22

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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.