Home / 446,889,638.90-616,698,018.69-258,725,861.30

Finding the Fourth Proportional to 446,889,638.90, 616,698,018.69 and 258,725,861.30

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Solution

The fourth proportional to 446,889,638.90, 616,698,018.69 and 258,725,861.30 is: 357,036,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,889,638.90 : 616,698,018.69 = 258,725,861.30 : x
  2. Step 2: Convert to fraction form
    446,889,638.90/616,698,018.69 = 258,725,861.30/x
  3. Step 3: Cross multiply
    446,889,638.90x = 616,698,018.69 × 258,725,861.30
  4. Step 4: Simplify right side
    446,889,638.90x = 159,555,726,047,573,760
  5. Step 5: Solve for x
    x = 159,555,726,047,573,760/446,889,638.90
  6. Step 6: Final answer
    x = 357,036,082.65

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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.