Home / 678,266,912.10-1,017,400,368.15-167,663,648.10

Finding the Fourth Proportional to 678,266,912.10, 1,017,400,368.15 and 167,663,648.10

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Solution

The fourth proportional to 678,266,912.10, 1,017,400,368.15 and 167,663,648.10 is: 251,495,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,266,912.10 : 1,017,400,368.15 = 167,663,648.10 : x
  2. Step 2: Convert to fraction form
    678,266,912.10/1,017,400,368.15 = 167,663,648.10/x
  3. Step 3: Cross multiply
    678,266,912.10x = 1,017,400,368.15 × 167,663,648.10
  4. Step 4: Simplify right side
    678,266,912.10x = 170,581,057,302,312,032
  5. Step 5: Solve for x
    x = 170,581,057,302,312,032/678,266,912.10
  6. Step 6: Final answer
    x = 251,495,472.15

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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.