Home / 290,026,972.90-435,040,459.35-167,415,004.90

Finding the Fourth Proportional to 290,026,972.90, 435,040,459.35 and 167,415,004.90

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Solution

The fourth proportional to 290,026,972.90, 435,040,459.35 and 167,415,004.90 is: 251,122,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,026,972.90 : 435,040,459.35 = 167,415,004.90 : x
  2. Step 2: Convert to fraction form
    290,026,972.90/435,040,459.35 = 167,415,004.90/x
  3. Step 3: Cross multiply
    290,026,972.90x = 435,040,459.35 × 167,415,004.90
  4. Step 4: Simplify right side
    290,026,972.90x = 72,832,300,633,778,512
  5. Step 5: Solve for x
    x = 72,832,300,633,778,512/290,026,972.90
  6. Step 6: Final answer
    x = 251,122,507.35

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1.5x scale

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.