Home / 518,200,250,420.60-777,406,390,111.10-178,195,271,659.35

Finding the Fourth Proportional to 518,200,250,420.60, 777,406,390,111.10 and 178,195,271,659.35

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Solution

The fourth proportional to 518,200,250,420.60, 777,406,390,111.10 and 178,195,271,659.35 is: 267,329,363,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,200,250,420.60 : 777,406,390,111.10 = 178,195,271,659.35 : x
  2. Step 2: Convert to fraction form
    518,200,250,420.60/777,406,390,111.10 = 178,195,271,659.35/x
  3. Step 3: Cross multiply
    518,200,250,420.60x = 777,406,390,111.10 × 178,195,271,659.35
  4. Step 4: Simplify right side
    518,200,250,420.60x = 138,530,142,875,562,094,362,624
  5. Step 5: Solve for x
    x = 138,530,142,875,562,094,362,624/518,200,250,420.60
  6. Step 6: Final answer
    x = 267,329,363,046.67

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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.