Home / 1,011,021,664,610.80-1,395,209,560,405.20-554,270,341,881.56

Finding the Fourth Proportional to 1,011,021,664,610.80, 1,395,209,560,405.20 and 554,270,341,881.56

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Solution

The fourth proportional to 1,011,021,664,610.80, 1,395,209,560,405.20 and 554,270,341,881.56 is: 764,892,887,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,021,664,610.80 : 1,395,209,560,405.20 = 554,270,341,881.56 : x
  2. Step 2: Convert to fraction form
    1,011,021,664,610.80/1,395,209,560,405.20 = 554,270,341,881.56/x
  3. Step 3: Cross multiply
    1,011,021,664,610.80x = 1,395,209,560,405.20 × 554,270,341,881.56
  4. Step 4: Simplify right side
    1,011,021,664,610.80x = 773,323,280,042,211,250,536,448
  5. Step 5: Solve for x
    x = 773,323,280,042,211,250,536,448/1,011,021,664,610.80
  6. Step 6: Final answer
    x = 764,892,887,176.57

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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.