Home / 870,038,438.00-1,305,022,264.47-214,972,968.29

Finding the Fourth Proportional to 870,038,438.00, 1,305,022,264.47 and 214,972,968.29

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Solution

The fourth proportional to 870,038,438.00, 1,305,022,264.47 and 214,972,968.29 is: 322,450,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,038,438.00 : 1,305,022,264.47 = 214,972,968.29 : x
  2. Step 2: Convert to fraction form
    870,038,438.00/1,305,022,264.47 = 214,972,968.29/x
  3. Step 3: Cross multiply
    870,038,438.00x = 1,305,022,264.47 × 214,972,968.29
  4. Step 4: Simplify right side
    870,038,438.00x = 280,544,509,871,128,192
  5. Step 5: Solve for x
    x = 280,544,509,871,128,192/870,038,438.00
  6. Step 6: Final answer
    x = 322,450,707.49

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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.