Home / 1,865,303,720-2,574,131,578.32-1,018,536,922.40

Finding the Fourth Proportional to 1,865,303,720, 2,574,131,578.32 and 1,018,536,922.40

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Solution

The fourth proportional to 1,865,303,720, 2,574,131,578.32 and 1,018,536,922.40 is: 1,405,587,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,303,720 : 2,574,131,578.32 = 1,018,536,922.40 : x
  2. Step 2: Convert to fraction form
    1,865,303,720/2,574,131,578.32 = 1,018,536,922.40/x
  3. Step 3: Cross multiply
    1,865,303,720x = 2,574,131,578.32 × 1,018,536,922.40
  4. Step 4: Simplify right side
    1,865,303,720x = 2,621,848,055,634,707,456
  5. Step 5: Solve for x
    x = 2,621,848,055,634,707,456/1,865,303,720
  6. Step 6: Final answer
    x = 1,405,587,748.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.