Home / 944,788,817.60-1,417,183,226.40-485,623,793.60

Finding the Fourth Proportional to 944,788,817.60, 1,417,183,226.40 and 485,623,793.60

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Solution

The fourth proportional to 944,788,817.60, 1,417,183,226.40 and 485,623,793.60 is: 728,435,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,788,817.60 : 1,417,183,226.40 = 485,623,793.60 : x
  2. Step 2: Convert to fraction form
    944,788,817.60/1,417,183,226.40 = 485,623,793.60/x
  3. Step 3: Cross multiply
    944,788,817.60x = 1,417,183,226.40 × 485,623,793.60
  4. Step 4: Simplify right side
    944,788,817.60x = 688,217,894,630,655,744
  5. Step 5: Solve for x
    x = 688,217,894,630,655,744/944,788,817.60
  6. Step 6: Final answer
    x = 728,435,690.40

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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.