Home / 942,190,489.20-1,300,232,496.78-518,843,518.32

Finding the Fourth Proportional to 942,190,489.20, 1,300,232,496.78 and 518,843,518.32

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Solution

The fourth proportional to 942,190,489.20, 1,300,232,496.78 and 518,843,518.32 is: 716,009,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,190,489.20 : 1,300,232,496.78 = 518,843,518.32 : x
  2. Step 2: Convert to fraction form
    942,190,489.20/1,300,232,496.78 = 518,843,518.32/x
  3. Step 3: Cross multiply
    942,190,489.20x = 1,300,232,496.78 × 518,843,518.32
  4. Step 4: Simplify right side
    942,190,489.20x = 674,617,203,263,333,248
  5. Step 5: Solve for x
    x = 674,617,203,263,333,248/942,190,489.20
  6. Step 6: Final answer
    x = 716,009,353.73

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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.