Home / 630,548,656.20-945,913,380.30-193,886,015.40

Finding the Fourth Proportional to 630,548,656.20, 945,913,380.30 and 193,886,015.40

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Solution

The fourth proportional to 630,548,656.20, 945,913,380.30 and 193,886,015.40 is: 290,856,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,548,656.20 : 945,913,380.30 = 193,886,015.40 : x
  2. Step 2: Convert to fraction form
    630,548,656.20/945,913,380.30 = 193,886,015.40/x
  3. Step 3: Cross multiply
    630,548,656.20x = 945,913,380.30 × 193,886,015.40
  4. Step 4: Simplify right side
    630,548,656.20x = 183,399,376,219,911,840
  5. Step 5: Solve for x
    x = 183,399,376,219,911,840/630,548,656.20
  6. Step 6: Final answer
    x = 290,856,818.77

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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.