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Finding the Fourth Proportional to 76,886,172,003.60, 115,329,258,005.40 and 76,886,172,003.60

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Solution

The fourth proportional to 76,886,172,003.60, 115,329,258,005.40 and 76,886,172,003.60 is: 115,329,258,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,886,172,003.60 : 115,329,258,005.40 = 76,886,172,003.60 : x
  2. Step 2: Convert to fraction form
    76,886,172,003.60/115,329,258,005.40 = 76,886,172,003.60/x
  3. Step 3: Cross multiply
    76,886,172,003.60x = 115,329,258,005.40 × 76,886,172,003.60
  4. Step 4: Simplify right side
    76,886,172,003.60x = 8,867,225,168,050,746,556,416
  5. Step 5: Solve for x
    x = 8,867,225,168,050,746,556,416/76,886,172,003.60
  6. Step 6: Final answer
    x = 115,329,258,005.40

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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.