Home / 1,275,788,396.95-1,760,589,174.27-689,077,532.95

Finding the Fourth Proportional to 1,275,788,396.95, 1,760,589,174.27 and 689,077,532.95

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Solution

The fourth proportional to 1,275,788,396.95, 1,760,589,174.27 and 689,077,532.95 is: 950,927,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,788,396.95 : 1,760,589,174.27 = 689,077,532.95 : x
  2. Step 2: Convert to fraction form
    1,275,788,396.95/1,760,589,174.27 = 689,077,532.95/x
  3. Step 3: Cross multiply
    1,275,788,396.95x = 1,760,589,174.27 × 689,077,532.95
  4. Step 4: Simplify right side
    1,275,788,396.95x = 1,213,182,444,744,449,280
  5. Step 5: Solve for x
    x = 1,213,182,444,744,449,280/1,275,788,396.95
  6. Step 6: Final answer
    x = 950,927,636.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.