Home / 42,708,588,337.20-64,081,992,803.40-19,432,245,860.40

Finding the Fourth Proportional to 42,708,588,337.20, 64,081,992,803.40 and 19,432,245,860.40

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Solution

The fourth proportional to 42,708,588,337.20, 64,081,992,803.40 and 19,432,245,860.40 is: 29,157,063,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708,588,337.20 : 64,081,992,803.40 = 19,432,245,860.40 : x
  2. Step 2: Convert to fraction form
    42,708,588,337.20/64,081,992,803.40 = 19,432,245,860.40/x
  3. Step 3: Cross multiply
    42,708,588,337.20x = 64,081,992,803.40 × 19,432,245,860.40
  4. Step 4: Simplify right side
    42,708,588,337.20x = 1,245,257,039,380,052,443,136
  5. Step 5: Solve for x
    x = 1,245,257,039,380,052,443,136/42,708,588,337.20
  6. Step 6: Final answer
    x = 29,157,063,903.59

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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.