Home / 532,977,643.80-799,466,465.70-411,895,992.60

Finding the Fourth Proportional to 532,977,643.80, 799,466,465.70 and 411,895,992.60

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Solution

The fourth proportional to 532,977,643.80, 799,466,465.70 and 411,895,992.60 is: 617,843,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,977,643.80 : 799,466,465.70 = 411,895,992.60 : x
  2. Step 2: Convert to fraction form
    532,977,643.80/799,466,465.70 = 411,895,992.60/x
  3. Step 3: Cross multiply
    532,977,643.80x = 799,466,465.70 × 411,895,992.60
  4. Step 4: Simplify right side
    532,977,643.80x = 329,297,033,439,915,392
  5. Step 5: Solve for x
    x = 329,297,033,439,915,392/532,977,643.80
  6. Step 6: Final answer
    x = 617,843,988.90

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Double scale
Find fourth proportional to 532,977,644.80, 799,466,467.20 and 411,895,993.60
Similar ratio
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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.