Home / 627,117,472.32-940,615,424.91-190,421,995.23

Finding the Fourth Proportional to 627,117,472.32, 940,615,424.91 and 190,421,995.23

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Solution

The fourth proportional to 627,117,472.32, 940,615,424.91 and 190,421,995.23 is: 285,614,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,117,472.32 : 940,615,424.91 = 190,421,995.23 : x
  2. Step 2: Convert to fraction form
    627,117,472.32/940,615,424.91 = 190,421,995.23/x
  3. Step 3: Cross multiply
    627,117,472.32x = 940,615,424.91 × 190,421,995.23
  4. Step 4: Simplify right side
    627,117,472.32x = 179,113,865,955,476,416
  5. Step 5: Solve for x
    x = 179,113,865,955,476,416/627,117,472.32
  6. Step 6: Final answer
    x = 285,614,536.13

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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.