Home / 1,090,532,472.54-1,636,587,933.93-426,644,575.26

Finding the Fourth Proportional to 1,090,532,472.54, 1,636,587,933.93 and 426,644,575.26

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Solution

The fourth proportional to 1,090,532,472.54, 1,636,587,933.93 and 426,644,575.26 is: 640,275,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,532,472.54 : 1,636,587,933.93 = 426,644,575.26 : x
  2. Step 2: Convert to fraction form
    1,090,532,472.54/1,636,587,933.93 = 426,644,575.26/x
  3. Step 3: Cross multiply
    1,090,532,472.54x = 1,636,587,933.93 × 426,644,575.26
  4. Step 4: Simplify right side
    1,090,532,472.54x = 698,241,363,947,205,760
  5. Step 5: Solve for x
    x = 698,241,363,947,205,760/1,090,532,472.54
  6. Step 6: Final answer
    x = 640,275,628.22

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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.