Home / 1,607,174,391.76-2,217,728,888.40-902,403,844

Finding the Fourth Proportional to 1,607,174,391.76, 2,217,728,888.40 and 902,403,844

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Solution

The fourth proportional to 1,607,174,391.76, 2,217,728,888.40 and 902,403,844 is: 1,245,220,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,174,391.76 : 2,217,728,888.40 = 902,403,844 : x
  2. Step 2: Convert to fraction form
    1,607,174,391.76/2,217,728,888.40 = 902,403,844/x
  3. Step 3: Cross multiply
    1,607,174,391.76x = 2,217,728,888.40 × 902,403,844
  4. Step 4: Simplify right side
    1,607,174,391.76x = 2,001,287,073,842,007,040
  5. Step 5: Solve for x
    x = 2,001,287,073,842,007,040/1,607,174,391.76
  6. Step 6: Final answer
    x = 1,245,220,857.24

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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.