Home / 678,266,916.10-1,017,400,374.15-167,663,652.10

Finding the Fourth Proportional to 678,266,916.10, 1,017,400,374.15 and 167,663,652.10

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Solution

The fourth proportional to 678,266,916.10, 1,017,400,374.15 and 167,663,652.10 is: 251,495,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,266,916.10 : 1,017,400,374.15 = 167,663,652.10 : x
  2. Step 2: Convert to fraction form
    678,266,916.10/1,017,400,374.15 = 167,663,652.10/x
  3. Step 3: Cross multiply
    678,266,916.10x = 1,017,400,374.15 × 167,663,652.10
  4. Step 4: Simplify right side
    678,266,916.10x = 170,581,062,377,895,424
  5. Step 5: Solve for x
    x = 170,581,062,377,895,424/678,266,916.10
  6. Step 6: Final answer
    x = 251,495,478.15

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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.