Home / 1,990,566,401,090.10-2,985,984,442,178.40-699,620,706,488.96

Finding the Fourth Proportional to 1,990,566,401,090.10, 2,985,984,442,178.40 and 699,620,706,488.96

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Solution

The fourth proportional to 1,990,566,401,090.10, 2,985,984,442,178.40 and 699,620,706,488.96 is: 1,049,478,451,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,566,401,090.10 : 2,985,984,442,178.40 = 699,620,706,488.96 : x
  2. Step 2: Convert to fraction form
    1,990,566,401,090.10/2,985,984,442,178.40 = 699,620,706,488.96/x
  3. Step 3: Cross multiply
    1,990,566,401,090.10x = 2,985,984,442,178.40 × 699,620,706,488.96
  4. Step 4: Simplify right side
    1,990,566,401,090.10x = 2,089,056,545,001,895,152,844,800
  5. Step 5: Solve for x
    x = 2,089,056,545,001,895,152,844,800/1,990,566,401,090.10
  6. Step 6: Final answer
    x = 1,049,478,451,890.81

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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.