Home / 1,012,102,610.60-1,518,153,915.90-603,619,999.40

Finding the Fourth Proportional to 1,012,102,610.60, 1,518,153,915.90 and 603,619,999.40

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Solution

The fourth proportional to 1,012,102,610.60, 1,518,153,915.90 and 603,619,999.40 is: 905,429,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,102,610.60 : 1,518,153,915.90 = 603,619,999.40 : x
  2. Step 2: Convert to fraction form
    1,012,102,610.60/1,518,153,915.90 = 603,619,999.40/x
  3. Step 3: Cross multiply
    1,012,102,610.60x = 1,518,153,915.90 × 603,619,999.40
  4. Step 4: Simplify right side
    1,012,102,610.60x = 916,388,065,804,665,728
  5. Step 5: Solve for x
    x = 916,388,065,804,665,728/1,012,102,610.60
  6. Step 6: Final answer
    x = 905,429,999.10

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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.