Home / 797,411,943.83-1,196,112,896.58-429,120,378.38

Finding the Fourth Proportional to 797,411,943.83, 1,196,112,896.58 and 429,120,378.38

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Solution

The fourth proportional to 797,411,943.83, 1,196,112,896.58 and 429,120,378.38 is: 643,677,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,411,943.83 : 1,196,112,896.58 = 429,120,378.38 : x
  2. Step 2: Convert to fraction form
    797,411,943.83/1,196,112,896.58 = 429,120,378.38/x
  3. Step 3: Cross multiply
    797,411,943.83x = 1,196,112,896.58 × 429,120,378.38
  4. Step 4: Simplify right side
    797,411,943.83x = 513,276,418,770,228,352
  5. Step 5: Solve for x
    x = 513,276,418,770,228,352/797,411,943.83
  6. Step 6: Final answer
    x = 643,677,866.55

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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.