Home / 386,606,001.81-533,628,705.45-252,664,067.40

Finding the Fourth Proportional to 386,606,001.81, 533,628,705.45 and 252,664,067.40

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Solution

The fourth proportional to 386,606,001.81, 533,628,705.45 and 252,664,067.40 is: 348,749,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,606,001.81 : 533,628,705.45 = 252,664,067.40 : x
  2. Step 2: Convert to fraction form
    386,606,001.81/533,628,705.45 = 252,664,067.40/x
  3. Step 3: Cross multiply
    386,606,001.81x = 533,628,705.45 × 252,664,067.40
  4. Step 4: Simplify right side
    386,606,001.81x = 134,828,799,200,393,552
  5. Step 5: Solve for x
    x = 134,828,799,200,393,552/386,606,001.81
  6. Step 6: Final answer
    x = 348,749,886.37

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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.