Home / 521,243,242,484.48-781,843,582,991.52-181,360,213,395.20

Finding the Fourth Proportional to 521,243,242,484.48, 781,843,582,991.52 and 181,360,213,395.20

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Solution

The fourth proportional to 521,243,242,484.48, 781,843,582,991.52 and 181,360,213,395.20 is: 272,032,915,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,243,242,484.48 : 781,843,582,991.52 = 181,360,213,395.20 : x
  2. Step 2: Convert to fraction form
    521,243,242,484.48/781,843,582,991.52 = 181,360,213,395.20/x
  3. Step 3: Cross multiply
    521,243,242,484.48x = 781,843,582,991.52 × 181,360,213,395.20
  4. Step 4: Simplify right side
    521,243,242,484.48x = 141,795,319,053,009,844,961,280
  5. Step 5: Solve for x
    x = 141,795,319,053,009,844,961,280/521,243,242,484.48
  6. Step 6: Final answer
    x = 272,032,915,721.17

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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.