Home / 921,753,693.03-1,272,118,673.81-564,758,388.56

Finding the Fourth Proportional to 921,753,693.03, 1,272,118,673.81 and 564,758,388.56

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Solution

The fourth proportional to 921,753,693.03, 1,272,118,673.81 and 564,758,388.56 is: 779,426,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,753,693.03 : 1,272,118,673.81 = 564,758,388.56 : x
  2. Step 2: Convert to fraction form
    921,753,693.03/1,272,118,673.81 = 564,758,388.56/x
  3. Step 3: Cross multiply
    921,753,693.03x = 1,272,118,673.81 × 564,758,388.56
  4. Step 4: Simplify right side
    921,753,693.03x = 718,439,692,268,835,456
  5. Step 5: Solve for x
    x = 718,439,692,268,835,456/921,753,693.03
  6. Step 6: Final answer
    x = 779,426,974.58

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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.