Home / 647,745,333.80-971,618,000.70-585,263,618.60

Finding the Fourth Proportional to 647,745,333.80, 971,618,000.70 and 585,263,618.60

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Solution

The fourth proportional to 647,745,333.80, 971,618,000.70 and 585,263,618.60 is: 877,895,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,745,333.80 : 971,618,000.70 = 585,263,618.60 : x
  2. Step 2: Convert to fraction form
    647,745,333.80/971,618,000.70 = 585,263,618.60/x
  3. Step 3: Cross multiply
    647,745,333.80x = 971,618,000.70 × 585,263,618.60
  4. Step 4: Simplify right side
    647,745,333.80x = 568,652,666,986,579,392
  5. Step 5: Solve for x
    x = 568,652,666,986,579,392/647,745,333.80
  6. Step 6: Final answer
    x = 877,895,427.90

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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.