Home / 1,309,953,502,739.50-1,964,970,283,769.10-449,415,601,002.72

Finding the Fourth Proportional to 1,309,953,502,739.50, 1,964,970,283,769.10 and 449,415,601,002.72

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Solution

The fourth proportional to 1,309,953,502,739.50, 1,964,970,283,769.10 and 449,415,601,002.72 is: 674,137,134,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,953,502,739.50 : 1,964,970,283,769.10 = 449,415,601,002.72 : x
  2. Step 2: Convert to fraction form
    1,309,953,502,739.50/1,964,970,283,769.10 = 449,415,601,002.72/x
  3. Step 3: Cross multiply
    1,309,953,502,739.50x = 1,964,970,283,769.10 × 449,415,601,002.72
  4. Step 4: Simplify right side
    1,309,953,502,739.50x = 883,088,301,032,575,286,116,352
  5. Step 5: Solve for x
    x = 883,088,301,032,575,286,116,352/1,309,953,502,739.50
  6. Step 6: Final answer
    x = 674,137,134,780.57

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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.