Home / 763,842,176.88-1,053,268,067.16-515,893,058.16

Finding the Fourth Proportional to 763,842,176.88, 1,053,268,067.16 and 515,893,058.16

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Solution

The fourth proportional to 763,842,176.88, 1,053,268,067.16 and 515,893,058.16 is: 711,369,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,842,176.88 : 1,053,268,067.16 = 515,893,058.16 : x
  2. Step 2: Convert to fraction form
    763,842,176.88/1,053,268,067.16 = 515,893,058.16/x
  3. Step 3: Cross multiply
    763,842,176.88x = 1,053,268,067.16 × 515,893,058.16
  4. Step 4: Simplify right side
    763,842,176.88x = 543,373,684,229,444,672
  5. Step 5: Solve for x
    x = 543,373,684,229,444,672/763,842,176.88
  6. Step 6: Final answer
    x = 711,369,050.67

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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.