Home / 1,328,352,800.85-1,990,800,899.96-540,488,284.29

Finding the Fourth Proportional to 1,328,352,800.85, 1,990,800,899.96 and 540,488,284.29

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Solution

The fourth proportional to 1,328,352,800.85, 1,990,800,899.96 and 540,488,284.29 is: 810,029,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,352,800.85 : 1,990,800,899.96 = 540,488,284.29 : x
  2. Step 2: Convert to fraction form
    1,328,352,800.85/1,990,800,899.96 = 540,488,284.29/x
  3. Step 3: Cross multiply
    1,328,352,800.85x = 1,990,800,899.96 × 540,488,284.29
  4. Step 4: Simplify right side
    1,328,352,800.85x = 1,076,004,562,779,665,792
  5. Step 5: Solve for x
    x = 1,076,004,562,779,665,792/1,328,352,800.85
  6. Step 6: Final answer
    x = 810,029,204.66

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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.