Home / 374,511,166.83-561,988,678.77-208,653,496.05

Finding the Fourth Proportional to 374,511,166.83, 561,988,678.77 and 208,653,496.05

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Solution

The fourth proportional to 374,511,166.83, 561,988,678.77 and 208,653,496.05 is: 313,103,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,511,166.83 : 561,988,678.77 = 208,653,496.05 : x
  2. Step 2: Convert to fraction form
    374,511,166.83/561,988,678.77 = 208,653,496.05/x
  3. Step 3: Cross multiply
    374,511,166.83x = 561,988,678.77 × 208,653,496.05
  4. Step 4: Simplify right side
    374,511,166.83x = 117,260,902,565,880,912
  5. Step 5: Solve for x
    x = 117,260,902,565,880,912/374,511,166.83
  6. Step 6: Final answer
    x = 313,103,888.35

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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.