Home / 12,908,346,766.76-19,368,152,094.32-4,520,272,787.48

Finding the Fourth Proportional to 12,908,346,766.76, 19,368,152,094.32 and 4,520,272,787.48

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Solution

The fourth proportional to 12,908,346,766.76, 19,368,152,094.32 and 4,520,272,787.48 is: 6,782,381,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908,346,766.76 : 19,368,152,094.32 = 4,520,272,787.48 : x
  2. Step 2: Convert to fraction form
    12,908,346,766.76/19,368,152,094.32 = 4,520,272,787.48/x
  3. Step 3: Cross multiply
    12,908,346,766.76x = 19,368,152,094.32 × 4,520,272,787.48
  4. Step 4: Simplify right side
    12,908,346,766.76x = 87,549,330,855,772,372,992
  5. Step 5: Solve for x
    x = 87,549,330,855,772,372,992/12,908,346,766.76
  6. Step 6: Final answer
    x = 6,782,381,387.62

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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.