Home / 1,919,152,714.32-2,878,729,093.44-465,130,138.32

Finding the Fourth Proportional to 1,919,152,714.32, 2,878,729,093.44 and 465,130,138.32

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Solution

The fourth proportional to 1,919,152,714.32, 2,878,729,093.44 and 465,130,138.32 is: 697,695,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,152,714.32 : 2,878,729,093.44 = 465,130,138.32 : x
  2. Step 2: Convert to fraction form
    1,919,152,714.32/2,878,729,093.44 = 465,130,138.32/x
  3. Step 3: Cross multiply
    1,919,152,714.32x = 2,878,729,093.44 × 465,130,138.32
  4. Step 4: Simplify right side
    1,919,152,714.32x = 1,338,983,661,417,555,456
  5. Step 5: Solve for x
    x = 1,338,983,661,417,555,456/1,919,152,714.32
  6. Step 6: Final answer
    x = 697,695,212.80

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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.