Home / 742,150,609.86-1,024,187,841.84-436,644,966.42

Finding the Fourth Proportional to 742,150,609.86, 1,024,187,841.84 and 436,644,966.42

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Solution

The fourth proportional to 742,150,609.86, 1,024,187,841.84 and 436,644,966.42 is: 602,581,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,150,609.86 : 1,024,187,841.84 = 436,644,966.42 : x
  2. Step 2: Convert to fraction form
    742,150,609.86/1,024,187,841.84 = 436,644,966.42/x
  3. Step 3: Cross multiply
    742,150,609.86x = 1,024,187,841.84 × 436,644,966.42
  4. Step 4: Simplify right side
    742,150,609.86x = 447,206,465,807,999,104
  5. Step 5: Solve for x
    x = 447,206,465,807,999,104/742,150,609.86
  6. Step 6: Final answer
    x = 602,581,820.81

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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.