Home / 3,986,637,762.60-5,979,956,643.90-1,915,860,191.40

Finding the Fourth Proportional to 3,986,637,762.60, 5,979,956,643.90 and 1,915,860,191.40

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Solution

The fourth proportional to 3,986,637,762.60, 5,979,956,643.90 and 1,915,860,191.40 is: 2,873,790,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,637,762.60 : 5,979,956,643.90 = 1,915,860,191.40 : x
  2. Step 2: Convert to fraction form
    3,986,637,762.60/5,979,956,643.90 = 1,915,860,191.40/x
  3. Step 3: Cross multiply
    3,986,637,762.60x = 5,979,956,643.90 × 1,915,860,191.40
  4. Step 4: Simplify right side
    3,986,637,762.60x = 11,456,760,880,345,956,352
  5. Step 5: Solve for x
    x = 11,456,760,880,345,956,352/3,986,637,762.60
  6. Step 6: Final answer
    x = 2,873,790,287.10

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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.