Home / 28,994,557,148,640-40,064,828,404,257-20,646,550,778,277

Finding the Fourth Proportional to 28,994,557,148,640, 40,064,828,404,257 and 20,646,550,778,277

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Solution

The fourth proportional to 28,994,557,148,640, 40,064,828,404,257 and 20,646,550,778,277 is: 28,529,510,205,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994,557,148,640 : 40,064,828,404,257 = 20,646,550,778,277 : x
  2. Step 2: Convert to fraction form
    28,994,557,148,640/40,064,828,404,257 = 20,646,550,778,277/x
  3. Step 3: Cross multiply
    28,994,557,148,640x = 40,064,828,404,257 × 20,646,550,778,277
  4. Step 4: Simplify right side
    28,994,557,148,640x = 827,200,514,071,446,870,646,849,536
  5. Step 5: Solve for x
    x = 827,200,514,071,446,870,646,849,536/28,994,557,148,640
  6. Step 6: Final answer
    x = 28,529,510,205,340.28

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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.