Home / 886,559,631.20-1,329,839,446.80-596,321,986.40

Finding the Fourth Proportional to 886,559,631.20, 1,329,839,446.80 and 596,321,986.40

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Solution

The fourth proportional to 886,559,631.20, 1,329,839,446.80 and 596,321,986.40 is: 894,482,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,559,631.20 : 1,329,839,446.80 = 596,321,986.40 : x
  2. Step 2: Convert to fraction form
    886,559,631.20/1,329,839,446.80 = 596,321,986.40/x
  3. Step 3: Cross multiply
    886,559,631.20x = 1,329,839,446.80 × 596,321,986.40
  4. Step 4: Simplify right side
    886,559,631.20x = 793,012,500,508,853,120
  5. Step 5: Solve for x
    x = 793,012,500,508,853,120/886,559,631.20
  6. Step 6: Final answer
    x = 894,482,979.60

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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.