Home / 1,011,021,664,605.80-1,395,209,560,398.30-554,270,341,876.56

Finding the Fourth Proportional to 1,011,021,664,605.80, 1,395,209,560,398.30 and 554,270,341,876.56

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Solution

The fourth proportional to 1,011,021,664,605.80, 1,395,209,560,398.30 and 554,270,341,876.56 is: 764,892,887,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,021,664,605.80 : 1,395,209,560,398.30 = 554,270,341,876.56 : x
  2. Step 2: Convert to fraction form
    1,011,021,664,605.80/1,395,209,560,398.30 = 554,270,341,876.56/x
  3. Step 3: Cross multiply
    1,011,021,664,605.80x = 1,395,209,560,398.30 × 554,270,341,876.56
  4. Step 4: Simplify right side
    1,011,021,664,605.80x = 773,323,280,031,410,884,182,016
  5. Step 5: Solve for x
    x = 773,323,280,031,410,884,182,016/1,011,021,664,605.80
  6. Step 6: Final answer
    x = 764,892,887,169.67

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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.