Home / 284,006,178,112.92-391,940,845,779.22-157,276,631,488.94

Finding the Fourth Proportional to 284,006,178,112.92, 391,940,845,779.22 and 157,276,631,488.94

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Solution

The fourth proportional to 284,006,178,112.92, 391,940,845,779.22 and 157,276,631,488.94 is: 217,048,574,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,006,178,112.92 : 391,940,845,779.22 = 157,276,631,488.94 : x
  2. Step 2: Convert to fraction form
    284,006,178,112.92/391,940,845,779.22 = 157,276,631,488.94/x
  3. Step 3: Cross multiply
    284,006,178,112.92x = 391,940,845,779.22 × 157,276,631,488.94
  4. Step 4: Simplify right side
    284,006,178,112.92x = 61,643,135,967,081,848,111,104
  5. Step 5: Solve for x
    x = 61,643,135,967,081,848,111,104/284,006,178,112.92
  6. Step 6: Final answer
    x = 217,048,574,001.70

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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.