Home / 1,180,250,999.77-1,628,889,206.82-671,737,357.62

Finding the Fourth Proportional to 1,180,250,999.77, 1,628,889,206.82 and 671,737,357.62

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Solution

The fourth proportional to 1,180,250,999.77, 1,628,889,206.82 and 671,737,357.62 is: 927,078,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,250,999.77 : 1,628,889,206.82 = 671,737,357.62 : x
  2. Step 2: Convert to fraction form
    1,180,250,999.77/1,628,889,206.82 = 671,737,357.62/x
  3. Step 3: Cross multiply
    1,180,250,999.77x = 1,628,889,206.82 × 671,737,357.62
  4. Step 4: Simplify right side
    1,180,250,999.77x = 1,094,185,731,648,960,768
  5. Step 5: Solve for x
    x = 1,094,185,731,648,960,768/1,180,250,999.77
  6. Step 6: Final answer
    x = 927,078,843.28

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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.