Home / 636,005,609.97-954,008,763.51-290,717,099.15

Finding the Fourth Proportional to 636,005,609.97, 954,008,763.51 and 290,717,099.15

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Solution

The fourth proportional to 636,005,609.97, 954,008,763.51 and 290,717,099.15 is: 436,075,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,005,609.97 : 954,008,763.51 = 290,717,099.15 : x
  2. Step 2: Convert to fraction form
    636,005,609.97/954,008,763.51 = 290,717,099.15/x
  3. Step 3: Cross multiply
    636,005,609.97x = 954,008,763.51 × 290,717,099.15
  4. Step 4: Simplify right side
    636,005,609.97x = 277,346,660,291,305,536
  5. Step 5: Solve for x
    x = 277,346,660,291,305,536/636,005,609.97
  6. Step 6: Final answer
    x = 436,075,808.05

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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.