Home / 1,587,202,571.69-2,188,306,259.55-1,300,036,193.72

Finding the Fourth Proportional to 1,587,202,571.69, 2,188,306,259.55 and 1,300,036,193.72

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Solution

The fourth proportional to 1,587,202,571.69, 2,188,306,259.55 and 1,300,036,193.72 is: 1,792,384,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,202,571.69 : 2,188,306,259.55 = 1,300,036,193.72 : x
  2. Step 2: Convert to fraction form
    1,587,202,571.69/2,188,306,259.55 = 1,300,036,193.72/x
  3. Step 3: Cross multiply
    1,587,202,571.69x = 2,188,306,259.55 × 1,300,036,193.72
  4. Step 4: Simplify right side
    1,587,202,571.69x = 2,844,877,340,364,503,552
  5. Step 5: Solve for x
    x = 2,844,877,340,364,503,552/1,587,202,571.69
  6. Step 6: Final answer
    x = 1,792,384,533.08

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Double scale
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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.