Home / 885,131,381.96-1,221,641,194.96-527,922,056.28

Finding the Fourth Proportional to 885,131,381.96, 1,221,641,194.96 and 527,922,056.28

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Solution

The fourth proportional to 885,131,381.96, 1,221,641,194.96 and 527,922,056.28 is: 728,627,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,131,381.96 : 1,221,641,194.96 = 527,922,056.28 : x
  2. Step 2: Convert to fraction form
    885,131,381.96/1,221,641,194.96 = 527,922,056.28/x
  3. Step 3: Cross multiply
    885,131,381.96x = 1,221,641,194.96 × 527,922,056.28
  4. Step 4: Simplify right side
    885,131,381.96x = 644,931,331,679,639,552
  5. Step 5: Solve for x
    x = 644,931,331,679,639,552/885,131,381.96
  6. Step 6: Final answer
    x = 728,627,800.15

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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.