Home / 284,764,089,148.76-392,974,832,174.55-154,552,945,740.36

Finding the Fourth Proportional to 284,764,089,148.76, 392,974,832,174.55 and 154,552,945,740.36

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Solution

The fourth proportional to 284,764,089,148.76, 392,974,832,174.55 and 154,552,945,740.36 is: 213,283,276,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,764,089,148.76 : 392,974,832,174.55 = 154,552,945,740.36 : x
  2. Step 2: Convert to fraction form
    284,764,089,148.76/392,974,832,174.55 = 154,552,945,740.36/x
  3. Step 3: Cross multiply
    284,764,089,148.76x = 392,974,832,174.55 × 154,552,945,740.36
  4. Step 4: Simplify right side
    284,764,089,148.76x = 60,735,417,914,400,299,810,816
  5. Step 5: Solve for x
    x = 60,735,417,914,400,299,810,816/284,764,089,148.76
  6. Step 6: Final answer
    x = 213,283,276,328.68

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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.