Home / 497,633,100.75-686,733,974.48-277,616,526.75

Finding the Fourth Proportional to 497,633,100.75, 686,733,974.48 and 277,616,526.75

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Solution

The fourth proportional to 497,633,100.75, 686,733,974.48 and 277,616,526.75 is: 383,110,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,633,100.75 : 686,733,974.48 = 277,616,526.75 : x
  2. Step 2: Convert to fraction form
    497,633,100.75/686,733,974.48 = 277,616,526.75/x
  3. Step 3: Cross multiply
    497,633,100.75x = 686,733,974.48 × 277,616,526.75
  4. Step 4: Simplify right side
    497,633,100.75x = 190,648,700,797,054,752
  5. Step 5: Solve for x
    x = 190,648,700,797,054,752/497,633,100.75
  6. Step 6: Final answer
    x = 383,110,971.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.