Home / 1,368,755,890.80-2,051,622,181.80-755,780,031.60

Finding the Fourth Proportional to 1,368,755,890.80, 2,051,622,181.80 and 755,780,031.60

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Solution

The fourth proportional to 1,368,755,890.80, 2,051,622,181.80 and 755,780,031.60 is: 1,132,835,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,755,890.80 : 2,051,622,181.80 = 755,780,031.60 : x
  2. Step 2: Convert to fraction form
    1,368,755,890.80/2,051,622,181.80 = 755,780,031.60/x
  3. Step 3: Cross multiply
    1,368,755,890.80x = 2,051,622,181.80 × 755,780,031.60
  4. Step 4: Simplify right side
    1,368,755,890.80x = 1,550,575,077,392,065,024
  5. Step 5: Solve for x
    x = 1,550,575,077,392,065,024/1,368,755,890.80
  6. Step 6: Final answer
    x = 1,132,835,363.72

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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.