Home / 385,887,042.63-578,505,159.81-167,372,806.41

Finding the Fourth Proportional to 385,887,042.63, 578,505,159.81 and 167,372,806.41

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Solution

The fourth proportional to 385,887,042.63, 578,505,159.81 and 167,372,806.41 is: 250,918,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,887,042.63 : 578,505,159.81 = 167,372,806.41 : x
  2. Step 2: Convert to fraction form
    385,887,042.63/578,505,159.81 = 167,372,806.41/x
  3. Step 3: Cross multiply
    385,887,042.63x = 578,505,159.81 × 167,372,806.41
  4. Step 4: Simplify right side
    385,887,042.63x = 96,826,032,120,065,232
  5. Step 5: Solve for x
    x = 96,826,032,120,065,232/385,887,042.63
  6. Step 6: Final answer
    x = 250,918,070.38

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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.