Home / 385,393,665,854.02-531,812,078,523.44-222,823,742,175.84

Finding the Fourth Proportional to 385,393,665,854.02, 531,812,078,523.44 and 222,823,742,175.84

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Solution

The fourth proportional to 385,393,665,854.02, 531,812,078,523.44 and 222,823,742,175.84 is: 307,478,736,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,393,665,854.02 : 531,812,078,523.44 = 222,823,742,175.84 : x
  2. Step 2: Convert to fraction form
    385,393,665,854.02/531,812,078,523.44 = 222,823,742,175.84/x
  3. Step 3: Cross multiply
    385,393,665,854.02x = 531,812,078,523.44 × 222,823,742,175.84
  4. Step 4: Simplify right side
    385,393,665,854.02x = 118,500,357,470,904,561,696,768
  5. Step 5: Solve for x
    x = 118,500,357,470,904,561,696,768/385,393,665,854.02
  6. Step 6: Final answer
    x = 307,478,736,601.21

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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.