Home / 1,157,509,660.80-1,738,280,030.40-613,314,076.80

Finding the Fourth Proportional to 1,157,509,660.80, 1,738,280,030.40 and 613,314,076.80

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Solution

The fourth proportional to 1,157,509,660.80, 1,738,280,030.40 and 613,314,076.80 is: 921,039,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,509,660.80 : 1,738,280,030.40 = 613,314,076.80 : x
  2. Step 2: Convert to fraction form
    1,157,509,660.80/1,738,280,030.40 = 613,314,076.80/x
  3. Step 3: Cross multiply
    1,157,509,660.80x = 1,738,280,030.40 × 613,314,076.80
  4. Step 4: Simplify right side
    1,157,509,660.80x = 1,066,111,612,064,651,904
  5. Step 5: Solve for x
    x = 1,066,111,612,064,651,904/1,157,509,660.80
  6. Step 6: Final answer
    x = 921,039,061.85

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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.