Home / 1,990,675,265.60-2,986,012,898.40-1,506,945,857.60

Finding the Fourth Proportional to 1,990,675,265.60, 2,986,012,898.40 and 1,506,945,857.60

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Solution

The fourth proportional to 1,990,675,265.60, 2,986,012,898.40 and 1,506,945,857.60 is: 2,260,418,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,675,265.60 : 2,986,012,898.40 = 1,506,945,857.60 : x
  2. Step 2: Convert to fraction form
    1,990,675,265.60/2,986,012,898.40 = 1,506,945,857.60/x
  3. Step 3: Cross multiply
    1,990,675,265.60x = 2,986,012,898.40 × 1,506,945,857.60
  4. Step 4: Simplify right side
    1,990,675,265.60x = 4,499,759,767,984,049,664
  5. Step 5: Solve for x
    x = 4,499,759,767,984,049,664/1,990,675,265.60
  6. Step 6: Final answer
    x = 2,260,418,786.40

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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.