Home / 20,698,293,376.40-31,047,440,064.60-8,913,057,760.40

Finding the Fourth Proportional to 20,698,293,376.40, 31,047,440,064.60 and 8,913,057,760.40

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Solution

The fourth proportional to 20,698,293,376.40, 31,047,440,064.60 and 8,913,057,760.40 is: 13,369,586,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,293,376.40 : 31,047,440,064.60 = 8,913,057,760.40 : x
  2. Step 2: Convert to fraction form
    20,698,293,376.40/31,047,440,064.60 = 8,913,057,760.40/x
  3. Step 3: Cross multiply
    20,698,293,376.40x = 31,047,440,064.60 × 8,913,057,760.40
  4. Step 4: Simplify right side
    20,698,293,376.40x = 276,727,626,608,336,896,000
  5. Step 5: Solve for x
    x = 276,727,626,608,336,896,000/20,698,293,376.40
  6. Step 6: Final answer
    x = 13,369,586,640.60

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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.