Home / 472,259,359.89-651,926,894.45-305,077,135.41

Finding the Fourth Proportional to 472,259,359.89, 651,926,894.45 and 305,077,135.41

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Solution

The fourth proportional to 472,259,359.89, 651,926,894.45 and 305,077,135.41 is: 421,141,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,259,359.89 : 651,926,894.45 = 305,077,135.41 : x
  2. Step 2: Convert to fraction form
    472,259,359.89/651,926,894.45 = 305,077,135.41/x
  3. Step 3: Cross multiply
    472,259,359.89x = 651,926,894.45 × 305,077,135.41
  4. Step 4: Simplify right side
    472,259,359.89x = 198,887,989,454,018,080
  5. Step 5: Solve for x
    x = 198,887,989,454,018,080/472,259,359.89
  6. Step 6: Final answer
    x = 421,141,445.46

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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.