Home / 1,272,849,611.34-1,756,519,772.70-708,324,823.51

Finding the Fourth Proportional to 1,272,849,611.34, 1,756,519,772.70 and 708,324,823.51

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Solution

The fourth proportional to 1,272,849,611.34, 1,756,519,772.70 and 708,324,823.51 is: 977,481,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,849,611.34 : 1,756,519,772.70 = 708,324,823.51 : x
  2. Step 2: Convert to fraction form
    1,272,849,611.34/1,756,519,772.70 = 708,324,823.51/x
  3. Step 3: Cross multiply
    1,272,849,611.34x = 1,756,519,772.70 × 708,324,823.51
  4. Step 4: Simplify right side
    1,272,849,611.34x = 1,244,186,557,989,552,896
  5. Step 5: Solve for x
    x = 1,244,186,557,989,552,896/1,272,849,611.34
  6. Step 6: Final answer
    x = 977,481,194.09

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Double scale
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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.