Home / 306,640,728,045.90-459,961,092,068.85-254,397,951,981.90

Finding the Fourth Proportional to 306,640,728,045.90, 459,961,092,068.85 and 254,397,951,981.90

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Solution

The fourth proportional to 306,640,728,045.90, 459,961,092,068.85 and 254,397,951,981.90 is: 381,596,927,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,640,728,045.90 : 459,961,092,068.85 = 254,397,951,981.90 : x
  2. Step 2: Convert to fraction form
    306,640,728,045.90/459,961,092,068.85 = 254,397,951,981.90/x
  3. Step 3: Cross multiply
    306,640,728,045.90x = 459,961,092,068.85 × 254,397,951,981.90
  4. Step 4: Simplify right side
    306,640,728,045.90x = 117,013,159,813,673,576,824,832
  5. Step 5: Solve for x
    x = 117,013,159,813,673,576,824,832/306,640,728,045.90
  6. Step 6: Final answer
    x = 381,596,927,972.85

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1.5x scale

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.