Home / 1,430,784,048.40-2,146,176,072.60-777,749,347.60

Finding the Fourth Proportional to 1,430,784,048.40, 2,146,176,072.60 and 777,749,347.60

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Solution

The fourth proportional to 1,430,784,048.40, 2,146,176,072.60 and 777,749,347.60 is: 1,166,624,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,784,048.40 : 2,146,176,072.60 = 777,749,347.60 : x
  2. Step 2: Convert to fraction form
    1,430,784,048.40/2,146,176,072.60 = 777,749,347.60/x
  3. Step 3: Cross multiply
    1,430,784,048.40x = 2,146,176,072.60 × 777,749,347.60
  4. Step 4: Simplify right side
    1,430,784,048.40x = 1,669,187,040,299,380,224
  5. Step 5: Solve for x
    x = 1,669,187,040,299,380,224/1,430,784,048.40
  6. Step 6: Final answer
    x = 1,166,624,021.40

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Double scale
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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.