Home / 996,408,117.60-1,494,612,176.40-443,709,477.60

Finding the Fourth Proportional to 996,408,117.60, 1,494,612,176.40 and 443,709,477.60

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Solution

The fourth proportional to 996,408,117.60, 1,494,612,176.40 and 443,709,477.60 is: 665,564,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,408,117.60 : 1,494,612,176.40 = 443,709,477.60 : x
  2. Step 2: Convert to fraction form
    996,408,117.60/1,494,612,176.40 = 443,709,477.60/x
  3. Step 3: Cross multiply
    996,408,117.60x = 1,494,612,176.40 × 443,709,477.60
  4. Step 4: Simplify right side
    996,408,117.60x = 663,173,588,005,043,072
  5. Step 5: Solve for x
    x = 663,173,588,005,043,072/996,408,117.60
  6. Step 6: Final answer
    x = 665,564,216.40

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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.