Home / 266,078,328.70-398,781,569.85-235,845,240.70

Finding the Fourth Proportional to 266,078,328.70, 398,781,569.85 and 235,845,240.70

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Solution

The fourth proportional to 266,078,328.70, 398,781,569.85 and 235,845,240.70 is: 353,470,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,078,328.70 : 398,781,569.85 = 235,845,240.70 : x
  2. Step 2: Convert to fraction form
    266,078,328.70/398,781,569.85 = 235,845,240.70/x
  3. Step 3: Cross multiply
    266,078,328.70x = 398,781,569.85 × 235,845,240.70
  4. Step 4: Simplify right side
    266,078,328.70x = 94,050,735,327,997,120
  5. Step 5: Solve for x
    x = 94,050,735,327,997,120/266,078,328.70
  6. Step 6: Final answer
    x = 353,470,107.05

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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.