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Finding the Fourth Proportional to 359,339,958.90, 539,009,938.35 and 144,083,690.10

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Solution

The fourth proportional to 359,339,958.90, 539,009,938.35 and 144,083,690.10 is: 216,125,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,339,958.90 : 539,009,938.35 = 144,083,690.10 : x
  2. Step 2: Convert to fraction form
    359,339,958.90/539,009,938.35 = 144,083,690.10/x
  3. Step 3: Cross multiply
    359,339,958.90x = 539,009,938.35 × 144,083,690.10
  4. Step 4: Simplify right side
    359,339,958.90x = 77,662,540,918,041,504
  5. Step 5: Solve for x
    x = 77,662,540,918,041,504/359,339,958.90
  6. Step 6: Final answer
    x = 216,125,535.15

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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.