Home / 1,886,976,077.40-2,830,464,116.10-1,335,978,048.60

Finding the Fourth Proportional to 1,886,976,077.40, 2,830,464,116.10 and 1,335,978,048.60

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Solution

The fourth proportional to 1,886,976,077.40, 2,830,464,116.10 and 1,335,978,048.60 is: 2,003,967,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,976,077.40 : 2,830,464,116.10 = 1,335,978,048.60 : x
  2. Step 2: Convert to fraction form
    1,886,976,077.40/2,830,464,116.10 = 1,335,978,048.60/x
  3. Step 3: Cross multiply
    1,886,976,077.40x = 2,830,464,116.10 × 1,335,978,048.60
  4. Step 4: Simplify right side
    1,886,976,077.40x = 3,781,437,926,459,601,408
  5. Step 5: Solve for x
    x = 3,781,437,926,459,601,408/1,886,976,077.40
  6. Step 6: Final answer
    x = 2,003,967,072.90

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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.