Home / 1,077,601,651.60-1,616,402,477.40-819,321,325.60

Finding the Fourth Proportional to 1,077,601,651.60, 1,616,402,477.40 and 819,321,325.60

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Solution

The fourth proportional to 1,077,601,651.60, 1,616,402,477.40 and 819,321,325.60 is: 1,228,981,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,601,651.60 : 1,616,402,477.40 = 819,321,325.60 : x
  2. Step 2: Convert to fraction form
    1,077,601,651.60/1,616,402,477.40 = 819,321,325.60/x
  3. Step 3: Cross multiply
    1,077,601,651.60x = 1,616,402,477.40 × 819,321,325.60
  4. Step 4: Simplify right side
    1,077,601,651.60x = 1,324,353,020,486,492,160
  5. Step 5: Solve for x
    x = 1,324,353,020,486,492,160/1,077,601,651.60
  6. Step 6: Final answer
    x = 1,228,981,988.40

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Half scale
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Double scale
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Similar ratio
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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.