Home / 356,112,020.40-534,168,030.60-294,890,017.20

Finding the Fourth Proportional to 356,112,020.40, 534,168,030.60 and 294,890,017.20

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Solution

The fourth proportional to 356,112,020.40, 534,168,030.60 and 294,890,017.20 is: 442,335,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,112,020.40 : 534,168,030.60 = 294,890,017.20 : x
  2. Step 2: Convert to fraction form
    356,112,020.40/534,168,030.60 = 294,890,017.20/x
  3. Step 3: Cross multiply
    356,112,020.40x = 534,168,030.60 × 294,890,017.20
  4. Step 4: Simplify right side
    356,112,020.40x = 157,520,819,731,324,128
  5. Step 5: Solve for x
    x = 157,520,819,731,324,128/356,112,020.40
  6. Step 6: Final answer
    x = 442,335,025.80

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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.