Home / 648,686,711.70-972,935,589.15-188,576,903.70

Finding the Fourth Proportional to 648,686,711.70, 972,935,589.15 and 188,576,903.70

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Solution

The fourth proportional to 648,686,711.70, 972,935,589.15 and 188,576,903.70 is: 282,837,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,686,711.70 : 972,935,589.15 = 188,576,903.70 : x
  2. Step 2: Convert to fraction form
    648,686,711.70/972,935,589.15 = 188,576,903.70/x
  3. Step 3: Cross multiply
    648,686,711.70x = 972,935,589.15 × 188,576,903.70
  4. Step 4: Simplify right side
    648,686,711.70x = 183,473,180,901,442,304
  5. Step 5: Solve for x
    x = 183,473,180,901,442,304/648,686,711.70
  6. Step 6: Final answer
    x = 282,837,890.14

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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.