Home / 291,159,792,006.60-436,739,688,009.90-238,263,981,241.80

Finding the Fourth Proportional to 291,159,792,006.60, 436,739,688,009.90 and 238,263,981,241.80

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Solution

The fourth proportional to 291,159,792,006.60, 436,739,688,009.90 and 238,263,981,241.80 is: 357,395,971,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,159,792,006.60 : 436,739,688,009.90 = 238,263,981,241.80 : x
  2. Step 2: Convert to fraction form
    291,159,792,006.60/436,739,688,009.90 = 238,263,981,241.80/x
  3. Step 3: Cross multiply
    291,159,792,006.60x = 436,739,688,009.90 × 238,263,981,241.80
  4. Step 4: Simplify right side
    291,159,792,006.60x = 104,059,336,831,540,404,420,608
  5. Step 5: Solve for x
    x = 104,059,336,831,540,404,420,608/291,159,792,006.60
  6. Step 6: Final answer
    x = 357,395,971,862.70

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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.