Home / 954,765,019.94-1,432,147,890.75-429,520,592.82

Finding the Fourth Proportional to 954,765,019.94, 1,432,147,890.75 and 429,520,592.82

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Solution

The fourth proportional to 954,765,019.94, 1,432,147,890.75 and 429,520,592.82 is: 644,281,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,765,019.94 : 1,432,147,890.75 = 429,520,592.82 : x
  2. Step 2: Convert to fraction form
    954,765,019.94/1,432,147,890.75 = 429,520,592.82/x
  3. Step 3: Cross multiply
    954,765,019.94x = 1,432,147,890.75 × 429,520,592.82
  4. Step 4: Simplify right side
    954,765,019.94x = 615,137,011,040,852,608
  5. Step 5: Solve for x
    x = 615,137,011,040,852,608/954,765,019.94
  6. Step 6: Final answer
    x = 644,281,051.56

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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.