Home / 788,099,991.60-1,182,261,961.80-242,784,663.60

Finding the Fourth Proportional to 788,099,991.60, 1,182,261,961.80 and 242,784,663.60

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Solution

The fourth proportional to 788,099,991.60, 1,182,261,961.80 and 242,784,663.60 is: 364,211,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,099,991.60 : 1,182,261,961.80 = 242,784,663.60 : x
  2. Step 2: Convert to fraction form
    788,099,991.60/1,182,261,961.80 = 242,784,663.60/x
  3. Step 3: Cross multiply
    788,099,991.60x = 1,182,261,961.80 × 242,784,663.60
  4. Step 4: Simplify right side
    788,099,991.60x = 287,035,072,682,689,024
  5. Step 5: Solve for x
    x = 287,035,072,682,689,024/788,099,991.60
  6. Step 6: Final answer
    x = 364,211,490.60

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Double scale
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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.