Home / 1,205,005,036.44-1,662,815,690.28-676,266,906

Finding the Fourth Proportional to 1,205,005,036.44, 1,662,815,690.28 and 676,266,906

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Solution

The fourth proportional to 1,205,005,036.44, 1,662,815,690.28 and 676,266,906 is: 933,197,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,005,036.44 : 1,662,815,690.28 = 676,266,906 : x
  2. Step 2: Convert to fraction form
    1,205,005,036.44/1,662,815,690.28 = 676,266,906/x
  3. Step 3: Cross multiply
    1,205,005,036.44x = 1,662,815,690.28 × 676,266,906
  4. Step 4: Simplify right side
    1,205,005,036.44x = 1,124,507,222,113,909,888
  5. Step 5: Solve for x
    x = 1,124,507,222,113,909,888/1,205,005,036.44
  6. Step 6: Final answer
    x = 933,197,113.79

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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.