Home / 3,116,976,840.50-4,301,374,879.03-1,688,036,366.68

Finding the Fourth Proportional to 3,116,976,840.50, 4,301,374,879.03 and 1,688,036,366.68

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Solution

The fourth proportional to 3,116,976,840.50, 4,301,374,879.03 and 1,688,036,366.68 is: 2,329,461,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,976,840.50 : 4,301,374,879.03 = 1,688,036,366.68 : x
  2. Step 2: Convert to fraction form
    3,116,976,840.50/4,301,374,879.03 = 1,688,036,366.68/x
  3. Step 3: Cross multiply
    3,116,976,840.50x = 4,301,374,879.03 × 1,688,036,366.68
  4. Step 4: Simplify right side
    3,116,976,840.50x = 7,260,877,222,526,425,088
  5. Step 5: Solve for x
    x = 7,260,877,222,526,425,088/3,116,976,840.50
  6. Step 6: Final answer
    x = 2,329,461,396.11

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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.