Home / 497,633,113.13-686,733,991.56-277,616,539.13

Finding the Fourth Proportional to 497,633,113.13, 686,733,991.56 and 277,616,539.13

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Solution

The fourth proportional to 497,633,113.13, 686,733,991.56 and 277,616,539.13 is: 383,110,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,633,113.13 : 686,733,991.56 = 277,616,539.13 : x
  2. Step 2: Convert to fraction form
    497,633,113.13/686,733,991.56 = 277,616,539.13/x
  3. Step 3: Cross multiply
    497,633,113.13x = 686,733,991.56 × 277,616,539.13
  4. Step 4: Simplify right side
    497,633,113.13x = 190,648,714,036,384,128
  5. Step 5: Solve for x
    x = 190,648,714,036,384,128/497,633,113.13
  6. Step 6: Final answer
    x = 383,110,988.81

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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.