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Finding the Fourth Proportional to 359,762,015.80, 539,643,023.70 and 359,762,015.80

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Solution

The fourth proportional to 359,762,015.80, 539,643,023.70 and 359,762,015.80 is: 539,643,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,762,015.80 : 539,643,023.70 = 359,762,015.80 : x
  2. Step 2: Convert to fraction form
    359,762,015.80/539,643,023.70 = 359,762,015.80/x
  3. Step 3: Cross multiply
    359,762,015.80x = 539,643,023.70 × 359,762,015.80
  4. Step 4: Simplify right side
    359,762,015.80x = 194,143,062,018,719,200
  5. Step 5: Solve for x
    x = 194,143,062,018,719,200/359,762,015.80
  6. Step 6: Final answer
    x = 539,643,023.70

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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.