Home / 19,642,734,774.64-29,485,076,756.10-8,456,145,819.76

Finding the Fourth Proportional to 19,642,734,774.64, 29,485,076,756.10 and 8,456,145,819.76

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Solution

The fourth proportional to 19,642,734,774.64, 29,485,076,756.10 and 8,456,145,819.76 is: 12,693,248,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642,734,774.64 : 29,485,076,756.10 = 8,456,145,819.76 : x
  2. Step 2: Convert to fraction form
    19,642,734,774.64/29,485,076,756.10 = 8,456,145,819.76/x
  3. Step 3: Cross multiply
    19,642,734,774.64x = 29,485,076,756.10 × 8,456,145,819.76
  4. Step 4: Simplify right side
    19,642,734,774.64x = 249,330,108,556,397,740,032
  5. Step 5: Solve for x
    x = 249,330,108,556,397,740,032/19,642,734,774.64
  6. Step 6: Final answer
    x = 12,693,248,237.42

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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.