Home / 284,006,178,108.92-391,940,845,773.70-157,276,631,484.93

Finding the Fourth Proportional to 284,006,178,108.92, 391,940,845,773.70 and 157,276,631,484.93

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Solution

The fourth proportional to 284,006,178,108.92, 391,940,845,773.70 and 157,276,631,484.93 is: 217,048,573,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,006,178,108.92 : 391,940,845,773.70 = 157,276,631,484.93 : x
  2. Step 2: Convert to fraction form
    284,006,178,108.92/391,940,845,773.70 = 157,276,631,484.93/x
  3. Step 3: Cross multiply
    284,006,178,108.92x = 391,940,845,773.70 × 157,276,631,484.93
  4. Step 4: Simplify right side
    284,006,178,108.92x = 61,643,135,964,641,996,308,480
  5. Step 5: Solve for x
    x = 61,643,135,964,641,996,308,480/284,006,178,108.92
  6. Step 6: Final answer
    x = 217,048,573,996.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.