Home / 1,048,790,745.20-1,573,186,117.80-661,051,391.60

Finding the Fourth Proportional to 1,048,790,745.20, 1,573,186,117.80 and 661,051,391.60

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Solution

The fourth proportional to 1,048,790,745.20, 1,573,186,117.80 and 661,051,391.60 is: 991,577,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,790,745.20 : 1,573,186,117.80 = 661,051,391.60 : x
  2. Step 2: Convert to fraction form
    1,048,790,745.20/1,573,186,117.80 = 661,051,391.60/x
  3. Step 3: Cross multiply
    1,048,790,745.20x = 1,573,186,117.80 × 661,051,391.60
  4. Step 4: Simplify right side
    1,048,790,745.20x = 1,039,956,872,417,491,584
  5. Step 5: Solve for x
    x = 1,039,956,872,417,491,584/1,048,790,745.20
  6. Step 6: Final answer
    x = 991,577,087.40

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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.