Home / 1,276,121,227.08-1,761,172,835.09-774,290,624.92

Finding the Fourth Proportional to 1,276,121,227.08, 1,761,172,835.09 and 774,290,624.92

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Solution

The fourth proportional to 1,276,121,227.08, 1,761,172,835.09 and 774,290,624.92 is: 1,068,597,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,121,227.08 : 1,761,172,835.09 = 774,290,624.92 : x
  2. Step 2: Convert to fraction form
    1,276,121,227.08/1,761,172,835.09 = 774,290,624.92/x
  3. Step 3: Cross multiply
    1,276,121,227.08x = 1,761,172,835.09 × 774,290,624.92
  4. Step 4: Simplify right side
    1,276,121,227.08x = 1,363,659,615,069,638,656
  5. Step 5: Solve for x
    x = 1,363,659,615,069,638,656/1,276,121,227.08
  6. Step 6: Final answer
    x = 1,068,597,235.23

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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.