Home / 1,191,870,646.40-1,787,881,539.36-374,015,227.52

Finding the Fourth Proportional to 1,191,870,646.40, 1,787,881,539.36 and 374,015,227.52

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Solution

The fourth proportional to 1,191,870,646.40, 1,787,881,539.36 and 374,015,227.52 is: 561,046,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,870,646.40 : 1,787,881,539.36 = 374,015,227.52 : x
  2. Step 2: Convert to fraction form
    1,191,870,646.40/1,787,881,539.36 = 374,015,227.52/x
  3. Step 3: Cross multiply
    1,191,870,646.40x = 1,787,881,539.36 × 374,015,227.52
  4. Step 4: Simplify right side
    1,191,870,646.40x = 668,694,920,722,538,112
  5. Step 5: Solve for x
    x = 668,694,920,722,538,112/1,191,870,646.40
  6. Step 6: Final answer
    x = 561,046,555.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.