Home / 1,820,542,357.40-2,512,355,066.76-985,166,837.84

Finding the Fourth Proportional to 1,820,542,357.40, 2,512,355,066.76 and 985,166,837.84

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Solution

The fourth proportional to 1,820,542,357.40, 2,512,355,066.76 and 985,166,837.84 is: 1,359,533,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,542,357.40 : 2,512,355,066.76 = 985,166,837.84 : x
  2. Step 2: Convert to fraction form
    1,820,542,357.40/2,512,355,066.76 = 985,166,837.84/x
  3. Step 3: Cross multiply
    1,820,542,357.40x = 2,512,355,066.76 × 985,166,837.84
  4. Step 4: Simplify right side
    1,820,542,357.40x = 2,475,088,896,651,251,712
  5. Step 5: Solve for x
    x = 2,475,088,896,651,251,712/1,820,542,357.40
  6. Step 6: Final answer
    x = 1,359,533,815.07

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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.