Home / 545,761,895.10-818,678,272.05-287,481,569.10

Finding the Fourth Proportional to 545,761,895.10, 818,678,272.05 and 287,481,569.10

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Solution

The fourth proportional to 545,761,895.10, 818,678,272.05 and 287,481,569.10 is: 431,241,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,761,895.10 : 818,678,272.05 = 287,481,569.10 : x
  2. Step 2: Convert to fraction form
    545,761,895.10/818,678,272.05 = 287,481,569.10/x
  3. Step 3: Cross multiply
    545,761,895.10x = 818,678,272.05 × 287,481,569.10
  4. Step 4: Simplify right side
    545,761,895.10x = 235,354,914,237,010,688
  5. Step 5: Solve for x
    x = 235,354,914,237,010,688/545,761,895.10
  6. Step 6: Final answer
    x = 431,241,016.18

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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.