Home / 523,112,828.60-783,325,550.10-414,721,609.40

Finding the Fourth Proportional to 523,112,828.60, 783,325,550.10 and 414,721,609.40

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Solution

The fourth proportional to 523,112,828.60, 783,325,550.10 and 414,721,609.40 is: 621,017,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,112,828.60 : 783,325,550.10 = 414,721,609.40 : x
  2. Step 2: Convert to fraction form
    523,112,828.60/783,325,550.10 = 414,721,609.40/x
  3. Step 3: Cross multiply
    523,112,828.60x = 783,325,550.10 × 414,721,609.40
  4. Step 4: Simplify right side
    523,112,828.60x = 324,862,032,821,612,352
  5. Step 5: Solve for x
    x = 324,862,032,821,612,352/523,112,828.60
  6. Step 6: Final answer
    x = 621,017,140.20

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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.