Home / 1,404,103,688.70-2,106,155,533.05-678,509,576.70

Finding the Fourth Proportional to 1,404,103,688.70, 2,106,155,533.05 and 678,509,576.70

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Solution

The fourth proportional to 1,404,103,688.70, 2,106,155,533.05 and 678,509,576.70 is: 1,017,764,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,103,688.70 : 2,106,155,533.05 = 678,509,576.70 : x
  2. Step 2: Convert to fraction form
    1,404,103,688.70/2,106,155,533.05 = 678,509,576.70/x
  3. Step 3: Cross multiply
    1,404,103,688.70x = 2,106,155,533.05 × 678,509,576.70
  4. Step 4: Simplify right side
    1,404,103,688.70x = 1,429,046,699,194,118,400
  5. Step 5: Solve for x
    x = 1,429,046,699,194,118,400/1,404,103,688.70
  6. Step 6: Final answer
    x = 1,017,764,365.05

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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.