Home / 562,837,786.28-776,716,220.04-311,958,357.80

Finding the Fourth Proportional to 562,837,786.28, 776,716,220.04 and 311,958,357.80

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Solution

The fourth proportional to 562,837,786.28, 776,716,220.04 and 311,958,357.80 is: 430,502,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,837,786.28 : 776,716,220.04 = 311,958,357.80 : x
  2. Step 2: Convert to fraction form
    562,837,786.28/776,716,220.04 = 311,958,357.80/x
  3. Step 3: Cross multiply
    562,837,786.28x = 776,716,220.04 × 311,958,357.80
  4. Step 4: Simplify right side
    562,837,786.28x = 242,303,116,480,301,856
  5. Step 5: Solve for x
    x = 242,303,116,480,301,856/562,837,786.28
  6. Step 6: Final answer
    x = 430,502,575.32

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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.