Home / 1,396,286,303.80-2,094,429,455.70-619,106,985.40

Finding the Fourth Proportional to 1,396,286,303.80, 2,094,429,455.70 and 619,106,985.40

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Solution

The fourth proportional to 1,396,286,303.80, 2,094,429,455.70 and 619,106,985.40 is: 928,660,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,286,303.80 : 2,094,429,455.70 = 619,106,985.40 : x
  2. Step 2: Convert to fraction form
    1,396,286,303.80/2,094,429,455.70 = 619,106,985.40/x
  3. Step 3: Cross multiply
    1,396,286,303.80x = 2,094,429,455.70 × 619,106,985.40
  4. Step 4: Simplify right side
    1,396,286,303.80x = 1,296,675,906,451,389,952
  5. Step 5: Solve for x
    x = 1,296,675,906,451,389,952/1,396,286,303.80
  6. Step 6: Final answer
    x = 928,660,478.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.