Home / 1,119,753,363.60-1,679,630,045.40-938,354,835.60

Finding the Fourth Proportional to 1,119,753,363.60, 1,679,630,045.40 and 938,354,835.60

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Solution

The fourth proportional to 1,119,753,363.60, 1,679,630,045.40 and 938,354,835.60 is: 1,407,532,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,753,363.60 : 1,679,630,045.40 = 938,354,835.60 : x
  2. Step 2: Convert to fraction form
    1,119,753,363.60/1,679,630,045.40 = 938,354,835.60/x
  3. Step 3: Cross multiply
    1,119,753,363.60x = 1,679,630,045.40 × 938,354,835.60
  4. Step 4: Simplify right side
    1,119,753,363.60x = 1,576,088,975,120,137,728
  5. Step 5: Solve for x
    x = 1,576,088,975,120,137,728/1,119,753,363.60
  6. Step 6: Final answer
    x = 1,407,532,253.40

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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.