Home / 885,543,590.98-1,221,969,733.05-494,331,026.50

Finding the Fourth Proportional to 885,543,590.98, 1,221,969,733.05 and 494,331,026.50

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Solution

The fourth proportional to 885,543,590.98, 1,221,969,733.05 and 494,331,026.50 is: 682,131,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,543,590.98 : 1,221,969,733.05 = 494,331,026.50 : x
  2. Step 2: Convert to fraction form
    885,543,590.98/1,221,969,733.05 = 494,331,026.50/x
  3. Step 3: Cross multiply
    885,543,590.98x = 1,221,969,733.05 × 494,331,026.50
  4. Step 4: Simplify right side
    885,543,590.98x = 604,057,552,490,537,472
  5. Step 5: Solve for x
    x = 604,057,552,490,537,472/885,543,590.98
  6. Step 6: Final answer
    x = 682,131,922.86

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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.