Home / 578,830,334,145.48-798,231,505,215.06-383,203,944,897.48

Finding the Fourth Proportional to 578,830,334,145.48, 798,231,505,215.06 and 383,203,944,897.48

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Solution

The fourth proportional to 578,830,334,145.48, 798,231,505,215.06 and 383,203,944,897.48 is: 528,454,442,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,830,334,145.48 : 798,231,505,215.06 = 383,203,944,897.48 : x
  2. Step 2: Convert to fraction form
    578,830,334,145.48/798,231,505,215.06 = 383,203,944,897.48/x
  3. Step 3: Cross multiply
    578,830,334,145.48x = 798,231,505,215.06 × 383,203,944,897.48
  4. Step 4: Simplify right side
    578,830,334,145.48x = 305,885,461,739,864,374,378,496
  5. Step 5: Solve for x
    x = 305,885,461,739,864,374,378,496/578,830,334,145.48
  6. Step 6: Final answer
    x = 528,454,442,857.49

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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.