Home / 2,870,008,108.74-3,960,611,239.86-1,549,908,664.74

Finding the Fourth Proportional to 2,870,008,108.74, 3,960,611,239.86 and 1,549,908,664.74

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Solution

The fourth proportional to 2,870,008,108.74, 3,960,611,239.86 and 1,549,908,664.74 is: 2,138,873,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,008,108.74 : 3,960,611,239.86 = 1,549,908,664.74 : x
  2. Step 2: Convert to fraction form
    2,870,008,108.74/3,960,611,239.86 = 1,549,908,664.74/x
  3. Step 3: Cross multiply
    2,870,008,108.74x = 3,960,611,239.86 × 1,549,908,664.74
  4. Step 4: Simplify right side
    2,870,008,108.74x = 6,138,585,678,325,648,384
  5. Step 5: Solve for x
    x = 6,138,585,678,325,648,384/2,870,008,108.74
  6. Step 6: Final answer
    x = 2,138,873,984.23

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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.