Home / 910,481,374.98-1,365,725,605.41-220,387,521.78

Finding the Fourth Proportional to 910,481,374.98, 1,365,725,605.41 and 220,387,521.78

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Solution

The fourth proportional to 910,481,374.98, 1,365,725,605.41 and 220,387,521.78 is: 330,582,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,481,374.98 : 1,365,725,605.41 = 220,387,521.78 : x
  2. Step 2: Convert to fraction form
    910,481,374.98/1,365,725,605.41 = 220,387,521.78/x
  3. Step 3: Cross multiply
    910,481,374.98x = 1,365,725,605.41 × 220,387,521.78
  4. Step 4: Simplify right side
    910,481,374.98x = 300,988,881,607,800,064
  5. Step 5: Solve for x
    x = 300,988,881,607,800,064/910,481,374.98
  6. Step 6: Final answer
    x = 330,582,140.26

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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.