Home / 493,280,328.30-740,085,681.42-161,302,647.62

Finding the Fourth Proportional to 493,280,328.30, 740,085,681.42 and 161,302,647.62

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Solution

The fourth proportional to 493,280,328.30, 740,085,681.42 and 161,302,647.62 is: 242,007,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,280,328.30 : 740,085,681.42 = 161,302,647.62 : x
  2. Step 2: Convert to fraction form
    493,280,328.30/740,085,681.42 = 161,302,647.62/x
  3. Step 3: Cross multiply
    493,280,328.30x = 740,085,681.42 × 161,302,647.62
  4. Step 4: Simplify right side
    493,280,328.30x = 119,377,779,874,997,408
  5. Step 5: Solve for x
    x = 119,377,779,874,997,408/493,280,328.30
  6. Step 6: Final answer
    x = 242,007,988.21

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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.