Home / 1,404,103,618.70-2,106,155,428.05-678,509,506.70

Finding the Fourth Proportional to 1,404,103,618.70, 2,106,155,428.05 and 678,509,506.70

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Solution

The fourth proportional to 1,404,103,618.70, 2,106,155,428.05 and 678,509,506.70 is: 1,017,764,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,103,618.70 : 2,106,155,428.05 = 678,509,506.70 : x
  2. Step 2: Convert to fraction form
    1,404,103,618.70/2,106,155,428.05 = 678,509,506.70/x
  3. Step 3: Cross multiply
    1,404,103,618.70x = 2,106,155,428.05 × 678,509,506.70
  4. Step 4: Simplify right side
    1,404,103,618.70x = 1,429,046,480,519,732,992
  5. Step 5: Solve for x
    x = 1,429,046,480,519,732,992/1,404,103,618.70
  6. Step 6: Final answer
    x = 1,017,764,260.05

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1.5x scale

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.