Home / 3,119,496,958.19-4,305,009,911.49-1,709,804,533.20

Finding the Fourth Proportional to 3,119,496,958.19, 4,305,009,911.49 and 1,709,804,533.20

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Solution

The fourth proportional to 3,119,496,958.19, 4,305,009,911.49 and 1,709,804,533.20 is: 2,359,587,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,496,958.19 : 4,305,009,911.49 = 1,709,804,533.20 : x
  2. Step 2: Convert to fraction form
    3,119,496,958.19/4,305,009,911.49 = 1,709,804,533.20/x
  3. Step 3: Cross multiply
    3,119,496,958.19x = 4,305,009,911.49 × 1,709,804,533.20
  4. Step 4: Simplify right side
    3,119,496,958.19x = 7,360,725,462,136,532,992
  5. Step 5: Solve for x
    x = 7,360,725,462,136,532,992/3,119,496,958.19
  6. Step 6: Final answer
    x = 2,359,587,318.34

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Double scale
Find fourth proportional to 3,119,496,959.19, 4,305,009,912.87 and 1,709,804,534.20
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1.5x scale

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.