Home / 386,574,976.48-533,473,554.54-212,734,720.48

Finding the Fourth Proportional to 386,574,976.48, 533,473,554.54 and 212,734,720.48

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Solution

The fourth proportional to 386,574,976.48, 533,473,554.54 and 212,734,720.48 is: 293,573,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,574,976.48 : 533,473,554.54 = 212,734,720.48 : x
  2. Step 2: Convert to fraction form
    386,574,976.48/533,473,554.54 = 212,734,720.48/x
  3. Step 3: Cross multiply
    386,574,976.48x = 533,473,554.54 × 212,734,720.48
  4. Step 4: Simplify right side
    386,574,976.48x = 113,488,347,508,538,928
  5. Step 5: Solve for x
    x = 113,488,347,508,538,928/386,574,976.48
  6. Step 6: Final answer
    x = 293,573,962.14

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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.