Home / 648,686,710.20-972,935,586.90-188,576,902.20

Finding the Fourth Proportional to 648,686,710.20, 972,935,586.90 and 188,576,902.20

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Solution

The fourth proportional to 648,686,710.20, 972,935,586.90 and 188,576,902.20 is: 282,837,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,686,710.20 : 972,935,586.90 = 188,576,902.20 : x
  2. Step 2: Convert to fraction form
    648,686,710.20/972,935,586.90 = 188,576,902.20/x
  3. Step 3: Cross multiply
    648,686,710.20x = 972,935,586.90 × 188,576,902.20
  4. Step 4: Simplify right side
    648,686,710.20x = 183,473,179,017,740,896
  5. Step 5: Solve for x
    x = 183,473,179,017,740,896/648,686,710.20
  6. Step 6: Final answer
    x = 282,837,887.89

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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.