Home / 972,163,389.86-1,458,122,081.83-308,183,809.59

Finding the Fourth Proportional to 972,163,389.86, 1,458,122,081.83 and 308,183,809.59

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Solution

The fourth proportional to 972,163,389.86, 1,458,122,081.83 and 308,183,809.59 is: 462,236,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,163,389.86 : 1,458,122,081.83 = 308,183,809.59 : x
  2. Step 2: Convert to fraction form
    972,163,389.86/1,458,122,081.83 = 308,183,809.59/x
  3. Step 3: Cross multiply
    972,163,389.86x = 1,458,122,081.83 × 308,183,809.59
  4. Step 4: Simplify right side
    972,163,389.86x = 449,369,618,021,255,360
  5. Step 5: Solve for x
    x = 449,369,618,021,255,360/972,163,389.86
  6. Step 6: Final answer
    x = 462,236,721.43

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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.