Home / 624,029,433.60-936,044,150.40-442,630,905.60

Finding the Fourth Proportional to 624,029,433.60, 936,044,150.40 and 442,630,905.60

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Solution

The fourth proportional to 624,029,433.60, 936,044,150.40 and 442,630,905.60 is: 663,946,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,029,433.60 : 936,044,150.40 = 442,630,905.60 : x
  2. Step 2: Convert to fraction form
    624,029,433.60/936,044,150.40 = 442,630,905.60/x
  3. Step 3: Cross multiply
    624,029,433.60x = 936,044,150.40 × 442,630,905.60
  4. Step 4: Simplify right side
    624,029,433.60x = 414,322,069,973,134,592
  5. Step 5: Solve for x
    x = 414,322,069,973,134,592/624,029,433.60
  6. Step 6: Final answer
    x = 663,946,358.40

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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.