Home / 963,078,254.30-1,329,129,958.83-545,464,830.62

Finding the Fourth Proportional to 963,078,254.30, 1,329,129,958.83 and 545,464,830.62

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Solution

The fourth proportional to 963,078,254.30, 1,329,129,958.83 and 545,464,830.62 is: 752,787,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,078,254.30 : 1,329,129,958.83 = 545,464,830.62 : x
  2. Step 2: Convert to fraction form
    963,078,254.30/1,329,129,958.83 = 545,464,830.62/x
  3. Step 3: Cross multiply
    963,078,254.30x = 1,329,129,958.83 × 545,464,830.62
  4. Step 4: Simplify right side
    963,078,254.30x = 724,993,647,865,173,504
  5. Step 5: Solve for x
    x = 724,993,647,865,173,504/963,078,254.30
  6. Step 6: Final answer
    x = 752,787,890.94

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Double scale
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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.