Home / 578,830,334,149.48-798,231,505,220.58-383,203,944,901.48

Finding the Fourth Proportional to 578,830,334,149.48, 798,231,505,220.58 and 383,203,944,901.48

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Solution

The fourth proportional to 578,830,334,149.48, 798,231,505,220.58 and 383,203,944,901.48 is: 528,454,442,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,830,334,149.48 : 798,231,505,220.58 = 383,203,944,901.48 : x
  2. Step 2: Convert to fraction form
    578,830,334,149.48/798,231,505,220.58 = 383,203,944,901.48/x
  3. Step 3: Cross multiply
    578,830,334,149.48x = 798,231,505,220.58 × 383,203,944,901.48
  4. Step 4: Simplify right side
    578,830,334,149.48x = 305,885,461,745,172,551,303,168
  5. Step 5: Solve for x
    x = 305,885,461,745,172,551,303,168/578,830,334,149.48
  6. Step 6: Final answer
    x = 528,454,442,863.01

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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.