Home / 1,157,509,717.80-1,738,280,115.90-613,314,133.80

Finding the Fourth Proportional to 1,157,509,717.80, 1,738,280,115.90 and 613,314,133.80

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Solution

The fourth proportional to 1,157,509,717.80, 1,738,280,115.90 and 613,314,133.80 is: 921,039,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,509,717.80 : 1,738,280,115.90 = 613,314,133.80 : x
  2. Step 2: Convert to fraction form
    1,157,509,717.80/1,738,280,115.90 = 613,314,133.80/x
  3. Step 3: Cross multiply
    1,157,509,717.80x = 1,738,280,115.90 × 613,314,133.80
  4. Step 4: Simplify right side
    1,157,509,717.80x = 1,066,111,763,584,972,032
  5. Step 5: Solve for x
    x = 1,066,111,763,584,972,032/1,157,509,717.80
  6. Step 6: Final answer
    x = 921,039,147.40

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1.5x scale

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.