Home / 486,518,074.47-671,405,784.17-277,670,028.33

Finding the Fourth Proportional to 486,518,074.47, 671,405,784.17 and 277,670,028.33

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Solution

The fourth proportional to 486,518,074.47, 671,405,784.17 and 277,670,028.33 is: 383,190,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,518,074.47 : 671,405,784.17 = 277,670,028.33 : x
  2. Step 2: Convert to fraction form
    486,518,074.47/671,405,784.17 = 277,670,028.33/x
  3. Step 3: Cross multiply
    486,518,074.47x = 671,405,784.17 × 277,670,028.33
  4. Step 4: Simplify right side
    486,518,074.47x = 186,429,263,110,021,408
  5. Step 5: Solve for x
    x = 186,429,263,110,021,408/486,518,074.47
  6. Step 6: Final answer
    x = 383,190,826.60

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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.