Home / 3,119,496,943.19-4,305,009,890.79-1,709,804,518.20

Finding the Fourth Proportional to 3,119,496,943.19, 4,305,009,890.79 and 1,709,804,518.20

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Solution

The fourth proportional to 3,119,496,943.19, 4,305,009,890.79 and 1,709,804,518.20 is: 2,359,587,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,496,943.19 : 4,305,009,890.79 = 1,709,804,518.20 : x
  2. Step 2: Convert to fraction form
    3,119,496,943.19/4,305,009,890.79 = 1,709,804,518.20/x
  3. Step 3: Cross multiply
    3,119,496,943.19x = 4,305,009,890.79 × 1,709,804,518.20
  4. Step 4: Simplify right side
    3,119,496,943.19x = 7,360,725,362,168,430,592
  5. Step 5: Solve for x
    x = 7,360,725,362,168,430,592/3,119,496,943.19
  6. Step 6: Final answer
    x = 2,359,587,297.64

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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.