Home / 1,910,190,788.76-2,865,870,943.20-978,173,539.74

Finding the Fourth Proportional to 1,910,190,788.76, 2,865,870,943.20 and 978,173,539.74

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Solution

The fourth proportional to 1,910,190,788.76, 2,865,870,943.20 and 978,173,539.74 is: 1,467,559,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,190,788.76 : 2,865,870,943.20 = 978,173,539.74 : x
  2. Step 2: Convert to fraction form
    1,910,190,788.76/2,865,870,943.20 = 978,173,539.74/x
  3. Step 3: Cross multiply
    1,910,190,788.76x = 2,865,870,943.20 × 978,173,539.74
  4. Step 4: Simplify right side
    1,910,190,788.76x = 2,803,319,124,947,956,224
  5. Step 5: Solve for x
    x = 2,803,319,124,947,956,224/1,910,190,788.76
  6. Step 6: Final answer
    x = 1,467,559,754.47

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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.