Home / 484,532,153.19-668,650,969.89-264,515,579.19

Finding the Fourth Proportional to 484,532,153.19, 668,650,969.89 and 264,515,579.19

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Solution

The fourth proportional to 484,532,153.19, 668,650,969.89 and 264,515,579.19 is: 365,029,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,532,153.19 : 668,650,969.89 = 264,515,579.19 : x
  2. Step 2: Convert to fraction form
    484,532,153.19/668,650,969.89 = 264,515,579.19/x
  3. Step 3: Cross multiply
    484,532,153.19x = 668,650,969.89 × 264,515,579.19
  4. Step 4: Simplify right side
    484,532,153.19x = 176,868,598,576,408,608
  5. Step 5: Solve for x
    x = 176,868,598,576,408,608/484,532,153.19
  6. Step 6: Final answer
    x = 365,029,642.33

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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.