Home / 2,828,144,042.65-3,902,959,742.69-1,575,080,697.61

Finding the Fourth Proportional to 2,828,144,042.65, 3,902,959,742.69 and 1,575,080,697.61

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Solution

The fourth proportional to 2,828,144,042.65, 3,902,959,742.69 and 1,575,080,697.61 is: 2,173,678,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,144,042.65 : 3,902,959,742.69 = 1,575,080,697.61 : x
  2. Step 2: Convert to fraction form
    2,828,144,042.65/3,902,959,742.69 = 1,575,080,697.61/x
  3. Step 3: Cross multiply
    2,828,144,042.65x = 3,902,959,742.69 × 1,575,080,697.61
  4. Step 4: Simplify right side
    2,828,144,042.65x = 6,147,476,554,232,520,704
  5. Step 5: Solve for x
    x = 6,147,476,554,232,520,704/2,828,144,042.65
  6. Step 6: Final answer
    x = 2,173,678,731.19

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1.5x scale

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.