Home / 682,344,603.20-1,023,516,904.80-668,739,713.60

Finding the Fourth Proportional to 682,344,603.20, 1,023,516,904.80 and 668,739,713.60

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Solution

The fourth proportional to 682,344,603.20, 1,023,516,904.80 and 668,739,713.60 is: 1,003,109,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,344,603.20 : 1,023,516,904.80 = 668,739,713.60 : x
  2. Step 2: Convert to fraction form
    682,344,603.20/1,023,516,904.80 = 668,739,713.60/x
  3. Step 3: Cross multiply
    682,344,603.20x = 1,023,516,904.80 × 668,739,713.60
  4. Step 4: Simplify right side
    682,344,603.20x = 684,466,401,780,710,400
  5. Step 5: Solve for x
    x = 684,466,401,780,710,400/682,344,603.20
  6. Step 6: Final answer
    x = 1,003,109,570.40

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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.