Home / 435,474,015.40-653,211,023.10-400,705,964.20

Finding the Fourth Proportional to 435,474,015.40, 653,211,023.10 and 400,705,964.20

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Solution

The fourth proportional to 435,474,015.40, 653,211,023.10 and 400,705,964.20 is: 601,058,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,474,015.40 : 653,211,023.10 = 400,705,964.20 : x
  2. Step 2: Convert to fraction form
    435,474,015.40/653,211,023.10 = 400,705,964.20/x
  3. Step 3: Cross multiply
    435,474,015.40x = 653,211,023.10 × 400,705,964.20
  4. Step 4: Simplify right side
    435,474,015.40x = 261,745,552,837,353,984
  5. Step 5: Solve for x
    x = 261,745,552,837,353,984/435,474,015.40
  6. Step 6: Final answer
    x = 601,058,946.30

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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.