Home / 1,423,964,029.77-2,136,559,857.62-768,784,970.97

Finding the Fourth Proportional to 1,423,964,029.77, 2,136,559,857.62 and 768,784,970.97

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Solution

The fourth proportional to 1,423,964,029.77, 2,136,559,857.62 and 768,784,970.97 is: 1,153,508,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,964,029.77 : 2,136,559,857.62 = 768,784,970.97 : x
  2. Step 2: Convert to fraction form
    1,423,964,029.77/2,136,559,857.62 = 768,784,970.97/x
  3. Step 3: Cross multiply
    1,423,964,029.77x = 2,136,559,857.62 × 768,784,970.97
  4. Step 4: Simplify right side
    1,423,964,029.77x = 1,642,555,108,112,215,296
  5. Step 5: Solve for x
    x = 1,642,555,108,112,215,296/1,423,964,029.77
  6. Step 6: Final answer
    x = 1,153,508,848.38

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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.