Home / 1,145,655,576,720.60-1,718,483,365,080.90-474,662,421,648.60

Finding the Fourth Proportional to 1,145,655,576,720.60, 1,718,483,365,080.90 and 474,662,421,648.60

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Solution

The fourth proportional to 1,145,655,576,720.60, 1,718,483,365,080.90 and 474,662,421,648.60 is: 711,993,632,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,655,576,720.60 : 1,718,483,365,080.90 = 474,662,421,648.60 : x
  2. Step 2: Convert to fraction form
    1,145,655,576,720.60/1,718,483,365,080.90 = 474,662,421,648.60/x
  3. Step 3: Cross multiply
    1,145,655,576,720.60x = 1,718,483,365,080.90 × 474,662,421,648.60
  4. Step 4: Simplify right side
    1,145,655,576,720.60x = 815,699,475,632,135,136,608,256
  5. Step 5: Solve for x
    x = 815,699,475,632,135,136,608,256/1,145,655,576,720.60
  6. Step 6: Final answer
    x = 711,993,632,472.90

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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.