Home / 742,690,217.23-1,024,937,072.51-408,174,596.85

Finding the Fourth Proportional to 742,690,217.23, 1,024,937,072.51 and 408,174,596.85

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Solution

The fourth proportional to 742,690,217.23, 1,024,937,072.51 and 408,174,596.85 is: 563,294,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,690,217.23 : 1,024,937,072.51 = 408,174,596.85 : x
  2. Step 2: Convert to fraction form
    742,690,217.23/1,024,937,072.51 = 408,174,596.85/x
  3. Step 3: Cross multiply
    742,690,217.23x = 1,024,937,072.51 × 408,174,596.85
  4. Step 4: Simplify right side
    742,690,217.23x = 418,353,276,370,191,104
  5. Step 5: Solve for x
    x = 418,353,276,370,191,104/742,690,217.23
  6. Step 6: Final answer
    x = 563,294,448.57

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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.