Home / 1,390,904,728.40-2,083,968,305.40-734,884,043.60

Finding the Fourth Proportional to 1,390,904,728.40, 2,083,968,305.40 and 734,884,043.60

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Solution

The fourth proportional to 1,390,904,728.40, 2,083,968,305.40 and 734,884,043.60 is: 1,101,063,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,904,728.40 : 2,083,968,305.40 = 734,884,043.60 : x
  2. Step 2: Convert to fraction form
    1,390,904,728.40/2,083,968,305.40 = 734,884,043.60/x
  3. Step 3: Cross multiply
    1,390,904,728.40x = 2,083,968,305.40 × 734,884,043.60
  4. Step 4: Simplify right side
    1,390,904,728.40x = 1,531,475,055,006,591,744
  5. Step 5: Solve for x
    x = 1,531,475,055,006,591,744/1,390,904,728.40
  6. Step 6: Final answer
    x = 1,101,063,950.49

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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.