Home / 687,822,587.76-1,031,893,270.47-196,542,256.08

Finding the Fourth Proportional to 687,822,587.76, 1,031,893,270.47 and 196,542,256.08

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Solution

The fourth proportional to 687,822,587.76, 1,031,893,270.47 and 196,542,256.08 is: 294,858,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,822,587.76 : 1,031,893,270.47 = 196,542,256.08 : x
  2. Step 2: Convert to fraction form
    687,822,587.76/1,031,893,270.47 = 196,542,256.08/x
  3. Step 3: Cross multiply
    687,822,587.76x = 1,031,893,270.47 × 196,542,256.08
  4. Step 4: Simplify right side
    687,822,587.76x = 202,810,631,411,943,456
  5. Step 5: Solve for x
    x = 202,810,631,411,943,456/687,822,587.76
  6. Step 6: Final answer
    x = 294,858,928.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.