Home / 287,214,336,225.60-430,821,504,338.40-130,486,008,033.60

Finding the Fourth Proportional to 287,214,336,225.60, 430,821,504,338.40 and 130,486,008,033.60

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Solution

The fourth proportional to 287,214,336,225.60, 430,821,504,338.40 and 130,486,008,033.60 is: 195,729,012,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,214,336,225.60 : 430,821,504,338.40 = 130,486,008,033.60 : x
  2. Step 2: Convert to fraction form
    287,214,336,225.60/430,821,504,338.40 = 130,486,008,033.60/x
  3. Step 3: Cross multiply
    287,214,336,225.60x = 430,821,504,338.40 × 130,486,008,033.60
  4. Step 4: Simplify right side
    287,214,336,225.60x = 56,216,178,276,148,103,348,224
  5. Step 5: Solve for x
    x = 56,216,178,276,148,103,348,224/287,214,336,225.60
  6. Step 6: Final answer
    x = 195,729,012,050.40

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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.