Home / 486,562,674.26-671,421,631.92-285,627,707.35

Finding the Fourth Proportional to 486,562,674.26, 671,421,631.92 and 285,627,707.35

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Solution

The fourth proportional to 486,562,674.26, 671,421,631.92 and 285,627,707.35 is: 394,145,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,562,674.26 : 671,421,631.92 = 285,627,707.35 : x
  2. Step 2: Convert to fraction form
    486,562,674.26/671,421,631.92 = 285,627,707.35/x
  3. Step 3: Cross multiply
    486,562,674.26x = 671,421,631.92 × 285,627,707.35
  4. Step 4: Simplify right side
    486,562,674.26x = 191,776,621,390,505,184
  5. Step 5: Solve for x
    x = 191,776,621,390,505,184/486,562,674.26
  6. Step 6: Final answer
    x = 394,145,773.06

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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.