Home / 386,190,310.05-578,837,567.48-156,008,268.45

Finding the Fourth Proportional to 386,190,310.05, 578,837,567.48 and 156,008,268.45

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Solution

The fourth proportional to 386,190,310.05, 578,837,567.48 and 156,008,268.45 is: 233,831,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,190,310.05 : 578,837,567.48 = 156,008,268.45 : x
  2. Step 2: Convert to fraction form
    386,190,310.05/578,837,567.48 = 156,008,268.45/x
  3. Step 3: Cross multiply
    386,190,310.05x = 578,837,567.48 × 156,008,268.45
  4. Step 4: Simplify right side
    386,190,310.05x = 90,303,446,615,584,784
  5. Step 5: Solve for x
    x = 90,303,446,615,584,784/386,190,310.05
  6. Step 6: Final answer
    x = 233,831,466.68

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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.