Home / 3,116,976,862.31-4,301,374,909.17-1,688,036,388.56

Finding the Fourth Proportional to 3,116,976,862.31, 4,301,374,909.17 and 1,688,036,388.56

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Solution

The fourth proportional to 3,116,976,862.31, 4,301,374,909.17 and 1,688,036,388.56 is: 2,329,461,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,976,862.31 : 4,301,374,909.17 = 1,688,036,388.56 : x
  2. Step 2: Convert to fraction form
    3,116,976,862.31/4,301,374,909.17 = 1,688,036,388.56/x
  3. Step 3: Cross multiply
    3,116,976,862.31x = 4,301,374,909.17 × 1,688,036,388.56
  4. Step 4: Simplify right side
    3,116,976,862.31x = 7,260,877,367,529,179,136
  5. Step 5: Solve for x
    x = 7,260,877,367,529,179,136/3,116,976,862.31
  6. Step 6: Final answer
    x = 2,329,461,426.34

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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.