Home / 1,450,872,749.15-2,176,309,123.73-360,355,817.15

Finding the Fourth Proportional to 1,450,872,749.15, 2,176,309,123.73 and 360,355,817.15

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Solution

The fourth proportional to 1,450,872,749.15, 2,176,309,123.73 and 360,355,817.15 is: 540,533,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,872,749.15 : 2,176,309,123.73 = 360,355,817.15 : x
  2. Step 2: Convert to fraction form
    1,450,872,749.15/2,176,309,123.73 = 360,355,817.15/x
  3. Step 3: Cross multiply
    1,450,872,749.15x = 2,176,309,123.73 × 360,355,817.15
  4. Step 4: Simplify right side
    1,450,872,749.15x = 784,245,652,652,724,608
  5. Step 5: Solve for x
    x = 784,245,652,652,724,608/1,450,872,749.15
  6. Step 6: Final answer
    x = 540,533,725.73

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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.