Home / 262,441,353.60-393,662,030.40-211,423,017.60

Finding the Fourth Proportional to 262,441,353.60, 393,662,030.40 and 211,423,017.60

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Solution

The fourth proportional to 262,441,353.60, 393,662,030.40 and 211,423,017.60 is: 317,134,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,353.60 : 393,662,030.40 = 211,423,017.60 : x
  2. Step 2: Convert to fraction form
    262,441,353.60/393,662,030.40 = 211,423,017.60/x
  3. Step 3: Cross multiply
    262,441,353.60x = 393,662,030.40 × 211,423,017.60
  4. Step 4: Simplify right side
    262,441,353.60x = 83,229,214,381,710,928
  5. Step 5: Solve for x
    x = 83,229,214,381,710,928/262,441,353.60
  6. Step 6: Final answer
    x = 317,134,526.40

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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.