Home / 31,048,389,365.26-42,882,120,667.26-20,869,445,270.74

Finding the Fourth Proportional to 31,048,389,365.26, 42,882,120,667.26 and 20,869,445,270.74

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Solution

The fourth proportional to 31,048,389,365.26, 42,882,120,667.26 and 20,869,445,270.74 is: 28,823,590,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048,389,365.26 : 42,882,120,667.26 = 20,869,445,270.74 : x
  2. Step 2: Convert to fraction form
    31,048,389,365.26/42,882,120,667.26 = 20,869,445,270.74/x
  3. Step 3: Cross multiply
    31,048,389,365.26x = 42,882,120,667.26 × 20,869,445,270.74
  4. Step 4: Simplify right side
    31,048,389,365.26x = 894,926,070,358,651,305,984
  5. Step 5: Solve for x
    x = 894,926,070,358,651,305,984/31,048,389,365.26
  6. Step 6: Final answer
    x = 28,823,590,809.51

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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.