Home / 1,210,170,183,540.90-1,815,573,663,542.80-434,900,761,189.65

Finding the Fourth Proportional to 1,210,170,183,540.90, 1,815,573,663,542.80 and 434,900,761,189.65

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Solution

The fourth proportional to 1,210,170,183,540.90, 1,815,573,663,542.80 and 434,900,761,189.65 is: 652,465,561,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,170,183,540.90 : 1,815,573,663,542.80 = 434,900,761,189.65 : x
  2. Step 2: Convert to fraction form
    1,210,170,183,540.90/1,815,573,663,542.80 = 434,900,761,189.65/x
  3. Step 3: Cross multiply
    1,210,170,183,540.90x = 1,815,573,663,542.80 × 434,900,761,189.65
  4. Step 4: Simplify right side
    1,210,170,183,540.90x = 789,594,368,270,645,241,839,616
  5. Step 5: Solve for x
    x = 789,594,368,270,645,241,839,616/1,210,170,183,540.90
  6. Step 6: Final answer
    x = 652,465,561,463.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.