Home / 1,393,783,806.76-2,090,697,878.98-775,926,169.90

Finding the Fourth Proportional to 1,393,783,806.76, 2,090,697,878.98 and 775,926,169.90

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Solution

The fourth proportional to 1,393,783,806.76, 2,090,697,878.98 and 775,926,169.90 is: 1,163,901,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,783,806.76 : 2,090,697,878.98 = 775,926,169.90 : x
  2. Step 2: Convert to fraction form
    1,393,783,806.76/2,090,697,878.98 = 775,926,169.90/x
  3. Step 3: Cross multiply
    1,393,783,806.76x = 2,090,697,878.98 × 775,926,169.90
  4. Step 4: Simplify right side
    1,393,783,806.76x = 1,622,227,197,655,005,184
  5. Step 5: Solve for x
    x = 1,622,227,197,655,005,184/1,393,783,806.76
  6. Step 6: Final answer
    x = 1,163,901,596.35

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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.