Home / 1,092,048,410.40-1,638,072,615.60-479,828,378.40

Finding the Fourth Proportional to 1,092,048,410.40, 1,638,072,615.60 and 479,828,378.40

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Solution

The fourth proportional to 1,092,048,410.40, 1,638,072,615.60 and 479,828,378.40 is: 719,742,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,048,410.40 : 1,638,072,615.60 = 479,828,378.40 : x
  2. Step 2: Convert to fraction form
    1,092,048,410.40/1,638,072,615.60 = 479,828,378.40/x
  3. Step 3: Cross multiply
    1,092,048,410.40x = 1,638,072,615.60 × 479,828,378.40
  4. Step 4: Simplify right side
    1,092,048,410.40x = 785,993,726,844,794,496
  5. Step 5: Solve for x
    x = 785,993,726,844,794,496/1,092,048,410.40
  6. Step 6: Final answer
    x = 719,742,567.60

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Double scale
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Similar ratio
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1.5x scale

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.