Home / 1,235,703,653.20-1,853,555,479.80-653,212,824.40

Finding the Fourth Proportional to 1,235,703,653.20, 1,853,555,479.80 and 653,212,824.40

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Solution

The fourth proportional to 1,235,703,653.20, 1,853,555,479.80 and 653,212,824.40 is: 979,819,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,703,653.20 : 1,853,555,479.80 = 653,212,824.40 : x
  2. Step 2: Convert to fraction form
    1,235,703,653.20/1,853,555,479.80 = 653,212,824.40/x
  3. Step 3: Cross multiply
    1,235,703,653.20x = 1,853,555,479.80 × 653,212,824.40
  4. Step 4: Simplify right side
    1,235,703,653.20x = 1,210,766,210,142,255,104
  5. Step 5: Solve for x
    x = 1,210,766,210,142,255,104/1,235,703,653.20
  6. Step 6: Final answer
    x = 979,819,236.60

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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.