Home / 1,264,194,852.69-1,892,514,159.98-764,693,721.66

Finding the Fourth Proportional to 1,264,194,852.69, 1,892,514,159.98 and 764,693,721.66

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Solution

The fourth proportional to 1,264,194,852.69, 1,892,514,159.98 and 764,693,721.66 is: 1,144,755,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,194,852.69 : 1,892,514,159.98 = 764,693,721.66 : x
  2. Step 2: Convert to fraction form
    1,264,194,852.69/1,892,514,159.98 = 764,693,721.66/x
  3. Step 3: Cross multiply
    1,264,194,852.69x = 1,892,514,159.98 × 764,693,721.66
  4. Step 4: Simplify right side
    1,264,194,852.69x = 1,447,193,696,285,531,136
  5. Step 5: Solve for x
    x = 1,447,193,696,285,531,136/1,264,194,852.69
  6. Step 6: Final answer
    x = 1,144,755,251.30

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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.