Home / 1,577,828,484.36-2,176,874,553.96-908,760,131.64

Finding the Fourth Proportional to 1,577,828,484.36, 2,176,874,553.96 and 908,760,131.64

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Solution

The fourth proportional to 1,577,828,484.36, 2,176,874,553.96 and 908,760,131.64 is: 1,253,784,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,828,484.36 : 2,176,874,553.96 = 908,760,131.64 : x
  2. Step 2: Convert to fraction form
    1,577,828,484.36/2,176,874,553.96 = 908,760,131.64/x
  3. Step 3: Cross multiply
    1,577,828,484.36x = 2,176,874,553.96 × 908,760,131.64
  4. Step 4: Simplify right side
    1,577,828,484.36x = 1,978,256,806,220,455,936
  5. Step 5: Solve for x
    x = 1,978,256,806,220,455,936/1,577,828,484.36
  6. Step 6: Final answer
    x = 1,253,784,442.24

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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.