Home / 744,858,666.28-1,027,904,965.59-414,833,805.28

Finding the Fourth Proportional to 744,858,666.28, 1,027,904,965.59 and 414,833,805.28

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Solution

The fourth proportional to 744,858,666.28, 1,027,904,965.59 and 414,833,805.28 is: 572,470,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,858,666.28 : 1,027,904,965.59 = 414,833,805.28 : x
  2. Step 2: Convert to fraction form
    744,858,666.28/1,027,904,965.59 = 414,833,805.28/x
  3. Step 3: Cross multiply
    744,858,666.28x = 1,027,904,965.59 × 414,833,805.28
  4. Step 4: Simplify right side
    744,858,666.28x = 426,409,728,341,907,136
  5. Step 5: Solve for x
    x = 426,409,728,341,907,136/744,858,666.28
  6. Step 6: Final answer
    x = 572,470,654.70

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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.