Home / 1,424,952,487.30-2,137,428,730.95-851,643,559.30

Finding the Fourth Proportional to 1,424,952,487.30, 2,137,428,730.95 and 851,643,559.30

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Solution

The fourth proportional to 1,424,952,487.30, 2,137,428,730.95 and 851,643,559.30 is: 1,277,465,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,952,487.30 : 2,137,428,730.95 = 851,643,559.30 : x
  2. Step 2: Convert to fraction form
    1,424,952,487.30/2,137,428,730.95 = 851,643,559.30/x
  3. Step 3: Cross multiply
    1,424,952,487.30x = 2,137,428,730.95 × 851,643,559.30
  4. Step 4: Simplify right side
    1,424,952,487.30x = 1,820,327,412,176,339,968
  5. Step 5: Solve for x
    x = 1,820,327,412,176,339,968/1,424,952,487.30
  6. Step 6: Final answer
    x = 1,277,465,338.95

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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.