Home / 3,119,496,961.19-4,305,009,915.63-1,709,804,536.20

Finding the Fourth Proportional to 3,119,496,961.19, 4,305,009,915.63 and 1,709,804,536.20

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Solution

The fourth proportional to 3,119,496,961.19, 4,305,009,915.63 and 1,709,804,536.20 is: 2,359,587,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,496,961.19 : 4,305,009,915.63 = 1,709,804,536.20 : x
  2. Step 2: Convert to fraction form
    3,119,496,961.19/4,305,009,915.63 = 1,709,804,536.20/x
  3. Step 3: Cross multiply
    3,119,496,961.19x = 4,305,009,915.63 × 1,709,804,536.20
  4. Step 4: Simplify right side
    3,119,496,961.19x = 7,360,725,482,130,153,472
  5. Step 5: Solve for x
    x = 7,360,725,482,130,153,472/3,119,496,961.19
  6. Step 6: Final answer
    x = 2,359,587,322.48

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Double scale
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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.