Home / 1,212,772,513.60-1,819,158,770.40-486,282,606.40

Finding the Fourth Proportional to 1,212,772,513.60, 1,819,158,770.40 and 486,282,606.40

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Solution

The fourth proportional to 1,212,772,513.60, 1,819,158,770.40 and 486,282,606.40 is: 729,423,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,772,513.60 : 1,819,158,770.40 = 486,282,606.40 : x
  2. Step 2: Convert to fraction form
    1,212,772,513.60/1,819,158,770.40 = 486,282,606.40/x
  3. Step 3: Cross multiply
    1,212,772,513.60x = 1,819,158,770.40 × 486,282,606.40
  4. Step 4: Simplify right side
    1,212,772,513.60x = 884,625,268,325,531,136
  5. Step 5: Solve for x
    x = 884,625,268,325,531,136/1,212,772,513.60
  6. Step 6: Final answer
    x = 729,423,909.60

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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.