Home / 678,267,039.10-1,017,400,558.65-167,663,775.10

Finding the Fourth Proportional to 678,267,039.10, 1,017,400,558.65 and 167,663,775.10

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Solution

The fourth proportional to 678,267,039.10, 1,017,400,558.65 and 167,663,775.10 is: 251,495,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,267,039.10 : 1,017,400,558.65 = 167,663,775.10 : x
  2. Step 2: Convert to fraction form
    678,267,039.10/1,017,400,558.65 = 167,663,775.10/x
  3. Step 3: Cross multiply
    678,267,039.10x = 1,017,400,558.65 × 167,663,775.10
  4. Step 4: Simplify right side
    678,267,039.10x = 170,581,218,452,107,936
  5. Step 5: Solve for x
    x = 170,581,218,452,107,936/678,267,039.10
  6. Step 6: Final answer
    x = 251,495,662.65

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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.