Home / 783,133,648.84-1,173,642,282.78-298,194,917.32

Finding the Fourth Proportional to 783,133,648.84, 1,173,642,282.78 and 298,194,917.32

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Solution

The fourth proportional to 783,133,648.84, 1,173,642,282.78 and 298,194,917.32 is: 446,889,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,133,648.84 : 1,173,642,282.78 = 298,194,917.32 : x
  2. Step 2: Convert to fraction form
    783,133,648.84/1,173,642,282.78 = 298,194,917.32/x
  3. Step 3: Cross multiply
    783,133,648.84x = 1,173,642,282.78 × 298,194,917.32
  4. Step 4: Simplify right side
    783,133,648.84x = 349,974,163,476,838,144
  5. Step 5: Solve for x
    x = 349,974,163,476,838,144/783,133,648.84
  6. Step 6: Final answer
    x = 446,889,447.28

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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.