Home / 8,585,797,729.67-11,840,407,090.01-5,571,827,750.45

Finding the Fourth Proportional to 8,585,797,729.67, 11,840,407,090.01 and 5,571,827,750.45

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Solution

The fourth proportional to 8,585,797,729.67, 11,840,407,090.01 and 5,571,827,750.45 is: 7,683,934,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,797,729.67 : 11,840,407,090.01 = 5,571,827,750.45 : x
  2. Step 2: Convert to fraction form
    8,585,797,729.67/11,840,407,090.01 = 5,571,827,750.45/x
  3. Step 3: Cross multiply
    8,585,797,729.67x = 11,840,407,090.01 × 5,571,827,750.45
  4. Step 4: Simplify right side
    8,585,797,729.67x = 65,972,708,800,766,689,280
  5. Step 5: Solve for x
    x = 65,972,708,800,766,689,280/8,585,797,729.67
  6. Step 6: Final answer
    x = 7,683,934,664.89

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1.5x scale

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.