Home / 1,578,540,159.92-2,366,734,041.36-800,685,904.16

Finding the Fourth Proportional to 1,578,540,159.92, 2,366,734,041.36 and 800,685,904.16

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Solution

The fourth proportional to 1,578,540,159.92, 2,366,734,041.36 and 800,685,904.16 is: 1,200,482,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,540,159.92 : 2,366,734,041.36 = 800,685,904.16 : x
  2. Step 2: Convert to fraction form
    1,578,540,159.92/2,366,734,041.36 = 800,685,904.16/x
  3. Step 3: Cross multiply
    1,578,540,159.92x = 2,366,734,041.36 × 800,685,904.16
  4. Step 4: Simplify right side
    1,578,540,159.92x = 1,895,010,585,812,582,400
  5. Step 5: Solve for x
    x = 1,895,010,585,812,582,400/1,578,540,159.92
  6. Step 6: Final answer
    x = 1,200,482,974.03

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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.