Home / 912,070,384.72-1,258,623,410.96-494,373,701.96

Finding the Fourth Proportional to 912,070,384.72, 1,258,623,410.96 and 494,373,701.96

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Solution

The fourth proportional to 912,070,384.72, 1,258,623,410.96 and 494,373,701.96 is: 682,217,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,070,384.72 : 1,258,623,410.96 = 494,373,701.96 : x
  2. Step 2: Convert to fraction form
    912,070,384.72/1,258,623,410.96 = 494,373,701.96/x
  3. Step 3: Cross multiply
    912,070,384.72x = 1,258,623,410.96 × 494,373,701.96
  4. Step 4: Simplify right side
    912,070,384.72x = 622,230,315,049,817,600
  5. Step 5: Solve for x
    x = 622,230,315,049,817,600/912,070,384.72
  6. Step 6: Final answer
    x = 682,217,431.32

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Double scale
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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.