Home / 853,237,683,754.32-1,278,960,611,760-287,078,815,051.32

Finding the Fourth Proportional to 853,237,683,754.32, 1,278,960,611,760 and 287,078,815,051.32

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Solution

The fourth proportional to 853,237,683,754.32, 1,278,960,611,760 and 287,078,815,051.32 is: 430,316,785,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,237,683,754.32 : 1,278,960,611,760 = 287,078,815,051.32 : x
  2. Step 2: Convert to fraction form
    853,237,683,754.32/1,278,960,611,760 = 287,078,815,051.32/x
  3. Step 3: Cross multiply
    853,237,683,754.32x = 1,278,960,611,760 × 287,078,815,051.32
  4. Step 4: Simplify right side
    853,237,683,754.32x = 367,162,496,921,372,133,949,440
  5. Step 5: Solve for x
    x = 367,162,496,921,372,133,949,440/853,237,683,754.32
  6. Step 6: Final answer
    x = 430,316,785,008.63

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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.