Home / 3,116,976,863.06-4,301,374,910.20-1,688,036,389.31

Finding the Fourth Proportional to 3,116,976,863.06, 4,301,374,910.20 and 1,688,036,389.31

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Solution

The fourth proportional to 3,116,976,863.06, 4,301,374,910.20 and 1,688,036,389.31 is: 2,329,461,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,976,863.06 : 4,301,374,910.20 = 1,688,036,389.31 : x
  2. Step 2: Convert to fraction form
    3,116,976,863.06/4,301,374,910.20 = 1,688,036,389.31/x
  3. Step 3: Cross multiply
    3,116,976,863.06x = 4,301,374,910.20 × 1,688,036,389.31
  4. Step 4: Simplify right side
    3,116,976,863.06x = 7,260,877,372,489,166,848
  5. Step 5: Solve for x
    x = 7,260,877,372,489,166,848/3,116,976,863.06
  6. Step 6: Final answer
    x = 2,329,461,427.37

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1.5x scale

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.