Home / 386,188,837.02-532,959,742.71-239,558,360.22

Finding the Fourth Proportional to 386,188,837.02, 532,959,742.71 and 239,558,360.22

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Solution

The fourth proportional to 386,188,837.02, 532,959,742.71 and 239,558,360.22 is: 330,602,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,188,837.02 : 532,959,742.71 = 239,558,360.22 : x
  2. Step 2: Convert to fraction form
    386,188,837.02/532,959,742.71 = 239,558,360.22/x
  3. Step 3: Cross multiply
    386,188,837.02x = 532,959,742.71 × 239,558,360.22
  4. Step 4: Simplify right side
    386,188,837.02x = 127,674,962,026,880,688
  5. Step 5: Solve for x
    x = 127,674,962,026,880,688/386,188,837.02
  6. Step 6: Final answer
    x = 330,602,414.64

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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.