Home / 1,337,472,378.40-2,004,507,956.40-645,890,490.40

Finding the Fourth Proportional to 1,337,472,378.40, 2,004,507,956.40 and 645,890,490.40

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Solution

The fourth proportional to 1,337,472,378.40, 2,004,507,956.40 and 645,890,490.40 is: 968,014,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,472,378.40 : 2,004,507,956.40 = 645,890,490.40 : x
  2. Step 2: Convert to fraction form
    1,337,472,378.40/2,004,507,956.40 = 645,890,490.40/x
  3. Step 3: Cross multiply
    1,337,472,378.40x = 2,004,507,956.40 × 645,890,490.40
  4. Step 4: Simplify right side
    1,337,472,378.40x = 1,294,692,626,969,897,728
  5. Step 5: Solve for x
    x = 1,294,692,626,969,897,728/1,337,472,378.40
  6. Step 6: Final answer
    x = 968,014,478.56

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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.