Home / 630,977,480.40-946,466,220.60-291,238,856.40

Finding the Fourth Proportional to 630,977,480.40, 946,466,220.60 and 291,238,856.40

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Solution

The fourth proportional to 630,977,480.40, 946,466,220.60 and 291,238,856.40 is: 436,858,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,977,480.40 : 946,466,220.60 = 291,238,856.40 : x
  2. Step 2: Convert to fraction form
    630,977,480.40/946,466,220.60 = 291,238,856.40/x
  3. Step 3: Cross multiply
    630,977,480.40x = 946,466,220.60 × 291,238,856.40
  4. Step 4: Simplify right side
    630,977,480.40x = 275,647,739,708,774,112
  5. Step 5: Solve for x
    x = 275,647,739,708,774,112/630,977,480.40
  6. Step 6: Final answer
    x = 436,858,284.60

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Double scale
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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.