Home / 630,977,497.40-946,466,246.10-291,238,873.40

Finding the Fourth Proportional to 630,977,497.40, 946,466,246.10 and 291,238,873.40

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Solution

The fourth proportional to 630,977,497.40, 946,466,246.10 and 291,238,873.40 is: 436,858,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,977,497.40 : 946,466,246.10 = 291,238,873.40 : x
  2. Step 2: Convert to fraction form
    630,977,497.40/946,466,246.10 = 291,238,873.40/x
  3. Step 3: Cross multiply
    630,977,497.40x = 946,466,246.10 × 291,238,873.40
  4. Step 4: Simplify right side
    630,977,497.40x = 275,647,763,225,291,136
  5. Step 5: Solve for x
    x = 275,647,763,225,291,136/630,977,497.40
  6. Step 6: Final answer
    x = 436,858,310.10

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Half scale
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Double scale
Find fourth proportional to 630,977,498.40, 946,466,247.60 and 291,238,874.40
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.