Home / 1,281,052,111,345.70-1,767,902,883,270.80-703,009,316,067.30

Finding the Fourth Proportional to 1,281,052,111,345.70, 1,767,902,883,270.80 and 703,009,316,067.30

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Solution

The fourth proportional to 1,281,052,111,345.70, 1,767,902,883,270.80 and 703,009,316,067.30 is: 970,180,827,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,052,111,345.70 : 1,767,902,883,270.80 = 703,009,316,067.30 : x
  2. Step 2: Convert to fraction form
    1,281,052,111,345.70/1,767,902,883,270.80 = 703,009,316,067.30/x
  3. Step 3: Cross multiply
    1,281,052,111,345.70x = 1,767,902,883,270.80 × 703,009,316,067.30
  4. Step 4: Simplify right side
    1,281,052,111,345.70x = 1,242,852,196,841,612,984,188,928
  5. Step 5: Solve for x
    x = 1,242,852,196,841,612,984,188,928/1,281,052,111,345.70
  6. Step 6: Final answer
    x = 970,180,827,020.41

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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.