Home / 678,266,954.60-1,017,400,431.90-167,663,690.60

Finding the Fourth Proportional to 678,266,954.60, 1,017,400,431.90 and 167,663,690.60

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Solution

The fourth proportional to 678,266,954.60, 1,017,400,431.90 and 167,663,690.60 is: 251,495,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,266,954.60 : 1,017,400,431.90 = 167,663,690.60 : x
  2. Step 2: Convert to fraction form
    678,266,954.60/1,017,400,431.90 = 167,663,690.60/x
  3. Step 3: Cross multiply
    678,266,954.60x = 1,017,400,431.90 × 167,663,690.60
  4. Step 4: Simplify right side
    678,266,954.60x = 170,581,111,230,387,968
  5. Step 5: Solve for x
    x = 170,581,111,230,387,968/678,266,954.60
  6. Step 6: Final answer
    x = 251,495,535.90

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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.