Home / 486,774,682.67-671,980,697.24-326,115,303.14

Finding the Fourth Proportional to 486,774,682.67, 671,980,697.24 and 326,115,303.14

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Solution

The fourth proportional to 486,774,682.67, 671,980,697.24 and 326,115,303.14 is: 450,194,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,774,682.67 : 671,980,697.24 = 326,115,303.14 : x
  2. Step 2: Convert to fraction form
    486,774,682.67/671,980,697.24 = 326,115,303.14/x
  3. Step 3: Cross multiply
    486,774,682.67x = 671,980,697.24 × 326,115,303.14
  4. Step 4: Simplify right side
    486,774,682.67x = 219,143,188,779,660,672
  5. Step 5: Solve for x
    x = 219,143,188,779,660,672/486,774,682.67
  6. Step 6: Final answer
    x = 450,194,302.59

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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.