Home / 628,355,390,156.80-942,533,097,690.85-150,824,688,243.36

Finding the Fourth Proportional to 628,355,390,156.80, 942,533,097,690.85 and 150,824,688,243.36

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Solution

The fourth proportional to 628,355,390,156.80, 942,533,097,690.85 and 150,824,688,243.36 is: 226,237,035,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,355,390,156.80 : 942,533,097,690.85 = 150,824,688,243.36 : x
  2. Step 2: Convert to fraction form
    628,355,390,156.80/942,533,097,690.85 = 150,824,688,243.36/x
  3. Step 3: Cross multiply
    628,355,390,156.80x = 942,533,097,690.85 × 150,824,688,243.36
  4. Step 4: Simplify right side
    628,355,390,156.80x = 142,157,260,618,270,815,289,344
  5. Step 5: Solve for x
    x = 142,157,260,618,270,815,289,344/628,355,390,156.80
  6. Step 6: Final answer
    x = 226,237,035,354.78

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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.