Home / 954,765,019.44-1,432,147,890-429,520,592.32

Finding the Fourth Proportional to 954,765,019.44, 1,432,147,890 and 429,520,592.32

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Solution

The fourth proportional to 954,765,019.44, 1,432,147,890 and 429,520,592.32 is: 644,281,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,765,019.44 : 1,432,147,890 = 429,520,592.32 : x
  2. Step 2: Convert to fraction form
    954,765,019.44/1,432,147,890 = 429,520,592.32/x
  3. Step 3: Cross multiply
    954,765,019.44x = 1,432,147,890 × 429,520,592.32
  4. Step 4: Simplify right side
    954,765,019.44x = 615,137,010,002,638,208
  5. Step 5: Solve for x
    x = 615,137,010,002,638,208/954,765,019.44
  6. Step 6: Final answer
    x = 644,281,050.81

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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.