Home / 751,424,001.57-1,127,171,431.80-620,022,557.16

Finding the Fourth Proportional to 751,424,001.57, 1,127,171,431.80 and 620,022,557.16

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Solution

The fourth proportional to 751,424,001.57, 1,127,171,431.80 and 620,022,557.16 is: 930,063,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,424,001.57 : 1,127,171,431.80 = 620,022,557.16 : x
  2. Step 2: Convert to fraction form
    751,424,001.57/1,127,171,431.80 = 620,022,557.16/x
  3. Step 3: Cross multiply
    751,424,001.57x = 1,127,171,431.80 × 620,022,557.16
  4. Step 4: Simplify right side
    751,424,001.57x = 698,871,713,502,334,464
  5. Step 5: Solve for x
    x = 698,871,713,502,334,464/751,424,001.57
  6. Step 6: Final answer
    x = 930,063,069.64

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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.