Home / 2,214,328,809.60-3,321,532,580.40-661,639,291.20

Finding the Fourth Proportional to 2,214,328,809.60, 3,321,532,580.40 and 661,639,291.20

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Solution

The fourth proportional to 2,214,328,809.60, 3,321,532,580.40 and 661,639,291.20 is: 992,470,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,328,809.60 : 3,321,532,580.40 = 661,639,291.20 : x
  2. Step 2: Convert to fraction form
    2,214,328,809.60/3,321,532,580.40 = 661,639,291.20/x
  3. Step 3: Cross multiply
    2,214,328,809.60x = 3,321,532,580.40 × 661,639,291.20
  4. Step 4: Simplify right side
    2,214,328,809.60x = 2,197,656,462,193,563,136
  5. Step 5: Solve for x
    x = 2,197,656,462,193,563,136/2,214,328,809.60
  6. Step 6: Final answer
    x = 992,470,699.32

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1.5x scale

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.