Home / 1,243,985,367.32-1,865,985,026.67-414,936,733.98

Finding the Fourth Proportional to 1,243,985,367.32, 1,865,985,026.67 and 414,936,733.98

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Solution

The fourth proportional to 1,243,985,367.32, 1,865,985,026.67 and 414,936,733.98 is: 622,407,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,985,367.32 : 1,865,985,026.67 = 414,936,733.98 : x
  2. Step 2: Convert to fraction form
    1,243,985,367.32/1,865,985,026.67 = 414,936,733.98/x
  3. Step 3: Cross multiply
    1,243,985,367.32x = 1,865,985,026.67 × 414,936,733.98
  4. Step 4: Simplify right side
    1,243,985,367.32x = 774,265,732,622,033,024
  5. Step 5: Solve for x
    x = 774,265,732,622,033,024/1,243,985,367.32
  6. Step 6: Final answer
    x = 622,407,427.74

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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.