Home / 914,360,431.68-1,261,816,435.44-496,673,043.66

Finding the Fourth Proportional to 914,360,431.68, 1,261,816,435.44 and 496,673,043.66

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Solution

The fourth proportional to 914,360,431.68, 1,261,816,435.44 and 496,673,043.66 is: 685,408,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,360,431.68 : 1,261,816,435.44 = 496,673,043.66 : x
  2. Step 2: Convert to fraction form
    914,360,431.68/1,261,816,435.44 = 496,673,043.66/x
  3. Step 3: Cross multiply
    914,360,431.68x = 1,261,816,435.44 × 496,673,043.66
  4. Step 4: Simplify right side
    914,360,431.68x = 626,710,209,530,196,736
  5. Step 5: Solve for x
    x = 626,710,209,530,196,736/914,360,431.68
  6. Step 6: Final answer
    x = 685,408,278.64

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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.