Home / 788,973,750.70-1,183,460,626.05-329,241,856.30

Finding the Fourth Proportional to 788,973,750.70, 1,183,460,626.05 and 329,241,856.30

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Solution

The fourth proportional to 788,973,750.70, 1,183,460,626.05 and 329,241,856.30 is: 493,862,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,973,750.70 : 1,183,460,626.05 = 329,241,856.30 : x
  2. Step 2: Convert to fraction form
    788,973,750.70/1,183,460,626.05 = 329,241,856.30/x
  3. Step 3: Cross multiply
    788,973,750.70x = 1,183,460,626.05 × 329,241,856.30
  4. Step 4: Simplify right side
    788,973,750.70x = 389,644,773,378,662,144
  5. Step 5: Solve for x
    x = 389,644,773,378,662,144/788,973,750.70
  6. Step 6: Final answer
    x = 493,862,784.45

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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.