Home / 374,615,464,653.72-516,955,965,335.88-212,031,619,838.28

Finding the Fourth Proportional to 374,615,464,653.72, 516,955,965,335.88 and 212,031,619,838.28

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Solution

The fourth proportional to 374,615,464,653.72, 516,955,965,335.88 and 212,031,619,838.28 is: 292,596,064,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,615,464,653.72 : 516,955,965,335.88 = 212,031,619,838.28 : x
  2. Step 2: Convert to fraction form
    374,615,464,653.72/516,955,965,335.88 = 212,031,619,838.28/x
  3. Step 3: Cross multiply
    374,615,464,653.72x = 516,955,965,335.88 × 212,031,619,838.28
  4. Step 4: Simplify right side
    374,615,464,653.72x = 109,611,010,715,228,361,981,952
  5. Step 5: Solve for x
    x = 109,611,010,715,228,361,981,952/374,615,464,653.72
  6. Step 6: Final answer
    x = 292,596,064,651.39

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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.