Home / 788,973,638.20-1,183,460,457.30-329,241,743.80

Finding the Fourth Proportional to 788,973,638.20, 1,183,460,457.30 and 329,241,743.80

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Solution

The fourth proportional to 788,973,638.20, 1,183,460,457.30 and 329,241,743.80 is: 493,862,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,973,638.20 : 1,183,460,457.30 = 329,241,743.80 : x
  2. Step 2: Convert to fraction form
    788,973,638.20/1,183,460,457.30 = 329,241,743.80/x
  3. Step 3: Cross multiply
    788,973,638.20x = 1,183,460,457.30 × 329,241,743.80
  4. Step 4: Simplify right side
    788,973,638.20x = 389,644,584,679,797,440
  5. Step 5: Solve for x
    x = 389,644,584,679,797,440/788,973,638.20
  6. Step 6: Final answer
    x = 493,862,615.70

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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.