Home / 284,764,089,165.12-392,974,832,197.12-154,552,945,756.80

Finding the Fourth Proportional to 284,764,089,165.12, 392,974,832,197.12 and 154,552,945,756.80

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Solution

The fourth proportional to 284,764,089,165.12, 392,974,832,197.12 and 154,552,945,756.80 is: 213,283,276,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,764,089,165.12 : 392,974,832,197.12 = 154,552,945,756.80 : x
  2. Step 2: Convert to fraction form
    284,764,089,165.12/392,974,832,197.12 = 154,552,945,756.80/x
  3. Step 3: Cross multiply
    284,764,089,165.12x = 392,974,832,197.12 × 154,552,945,756.80
  4. Step 4: Simplify right side
    284,764,089,165.12x = 60,735,417,924,349,063,069,696
  5. Step 5: Solve for x
    x = 60,735,417,924,349,063,069,696/284,764,089,165.12
  6. Step 6: Final answer
    x = 213,283,276,351.37

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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.