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Finding the Fourth Proportional to 571,960,809.70, 858,020,930.70 and 244,433,721.40

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Solution

The fourth proportional to 571,960,809.70, 858,020,930.70 and 244,433,721.40 is: 366,684,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,960,809.70 : 858,020,930.70 = 244,433,721.40 : x
  2. Step 2: Convert to fraction form
    571,960,809.70/858,020,930.70 = 244,433,721.40/x
  3. Step 3: Cross multiply
    571,960,809.70x = 858,020,930.70 × 244,433,721.40
  4. Step 4: Simplify right side
    571,960,809.70x = 209,729,249,130,092,512
  5. Step 5: Solve for x
    x = 209,729,249,130,092,512/571,960,809.70
  6. Step 6: Final answer
    x = 366,684,649.67

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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.