Home / 1,738,155,006.40-2,607,232,509.60-819,824,958.40

Finding the Fourth Proportional to 1,738,155,006.40, 2,607,232,509.60 and 819,824,958.40

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Solution

The fourth proportional to 1,738,155,006.40, 2,607,232,509.60 and 819,824,958.40 is: 1,229,737,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,155,006.40 : 2,607,232,509.60 = 819,824,958.40 : x
  2. Step 2: Convert to fraction form
    1,738,155,006.40/2,607,232,509.60 = 819,824,958.40/x
  3. Step 3: Cross multiply
    1,738,155,006.40x = 2,607,232,509.60 × 819,824,958.40
  4. Step 4: Simplify right side
    1,738,155,006.40x = 2,137,474,283,721,947,392
  5. Step 5: Solve for x
    x = 2,137,474,283,721,947,392/1,738,155,006.40
  6. Step 6: Final answer
    x = 1,229,737,437.60

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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.