Home / 1,469,346,365.80-2,027,621,437.86-912,417,465.16

Finding the Fourth Proportional to 1,469,346,365.80, 2,027,621,437.86 and 912,417,465.16

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Solution

The fourth proportional to 1,469,346,365.80, 2,027,621,437.86 and 912,417,465.16 is: 1,259,088,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,346,365.80 : 2,027,621,437.86 = 912,417,465.16 : x
  2. Step 2: Convert to fraction form
    1,469,346,365.80/2,027,621,437.86 = 912,417,465.16/x
  3. Step 3: Cross multiply
    1,469,346,365.80x = 2,027,621,437.86 × 912,417,465.16
  4. Step 4: Simplify right side
    1,469,346,365.80x = 1,850,037,212,636,295,424
  5. Step 5: Solve for x
    x = 1,850,037,212,636,295,424/1,469,346,365.80
  6. Step 6: Final answer
    x = 1,259,088,568.70

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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.