Home / 907,567,330.72-1,361,399,269.68-285,831,183.84

Finding the Fourth Proportional to 907,567,330.72, 1,361,399,269.68 and 285,831,183.84

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Solution

The fourth proportional to 907,567,330.72, 1,361,399,269.68 and 285,831,183.84 is: 428,761,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,567,330.72 : 1,361,399,269.68 = 285,831,183.84 : x
  2. Step 2: Convert to fraction form
    907,567,330.72/1,361,399,269.68 = 285,831,183.84/x
  3. Step 3: Cross multiply
    907,567,330.72x = 1,361,399,269.68 × 285,831,183.84
  4. Step 4: Simplify right side
    907,567,330.72x = 389,130,364,931,545,792
  5. Step 5: Solve for x
    x = 389,130,364,931,545,792/907,567,330.72
  6. Step 6: Final answer
    x = 428,761,979.15

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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.