Home / 369,492,566.31-509,878,995.37-202,228,486.74

Finding the Fourth Proportional to 369,492,566.31, 509,878,995.37 and 202,228,486.74

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Solution

The fourth proportional to 369,492,566.31, 509,878,995.37 and 202,228,486.74 is: 279,063,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,492,566.31 : 509,878,995.37 = 202,228,486.74 : x
  2. Step 2: Convert to fraction form
    369,492,566.31/509,878,995.37 = 202,228,486.74/x
  3. Step 3: Cross multiply
    369,492,566.31x = 509,878,995.37 × 202,228,486.74
  4. Step 4: Simplify right side
    369,492,566.31x = 103,112,057,653,681,008
  5. Step 5: Solve for x
    x = 103,112,057,653,681,008/369,492,566.31
  6. Step 6: Final answer
    x = 279,063,957.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.