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Finding the Fourth Proportional to 360,803,567.70, 497,908,923.48 and 195,791,137.20

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Solution

The fourth proportional to 360,803,567.70, 497,908,923.48 and 195,791,137.20 is: 270,191,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803,567.70 : 497,908,923.48 = 195,791,137.20 : x
  2. Step 2: Convert to fraction form
    360,803,567.70/497,908,923.48 = 195,791,137.20/x
  3. Step 3: Cross multiply
    360,803,567.70x = 497,908,923.48 × 195,791,137.20
  4. Step 4: Simplify right side
    360,803,567.70x = 97,486,154,350,176,976
  5. Step 5: Solve for x
    x = 97,486,154,350,176,976/360,803,567.70
  6. Step 6: Final answer
    x = 270,191,769.37

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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.