Home / 980,155,880.51-1,470,228,494.20-565,363,822.91

Finding the Fourth Proportional to 980,155,880.51, 1,470,228,494.20 and 565,363,822.91

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Solution

The fourth proportional to 980,155,880.51, 1,470,228,494.20 and 565,363,822.91 is: 848,042,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,155,880.51 : 1,470,228,494.20 = 565,363,822.91 : x
  2. Step 2: Convert to fraction form
    980,155,880.51/1,470,228,494.20 = 565,363,822.91/x
  3. Step 3: Cross multiply
    980,155,880.51x = 1,470,228,494.20 × 565,363,822.91
  4. Step 4: Simplify right side
    980,155,880.51x = 831,214,002,023,360,128
  5. Step 5: Solve for x
    x = 831,214,002,023,360,128/980,155,880.51
  6. Step 6: Final answer
    x = 848,042,661.94

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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.