Home / 442,868,676.60-664,303,014.90-297,749,854.20

Finding the Fourth Proportional to 442,868,676.60, 664,303,014.90 and 297,749,854.20

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Solution

The fourth proportional to 442,868,676.60, 664,303,014.90 and 297,749,854.20 is: 446,624,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,676.60 : 664,303,014.90 = 297,749,854.20 : x
  2. Step 2: Convert to fraction form
    442,868,676.60/664,303,014.90 = 297,749,854.20/x
  3. Step 3: Cross multiply
    442,868,676.60x = 664,303,014.90 × 297,749,854.20
  4. Step 4: Simplify right side
    442,868,676.60x = 197,796,125,831,095,424
  5. Step 5: Solve for x
    x = 197,796,125,831,095,424/442,868,676.60
  6. Step 6: Final answer
    x = 446,624,781.30

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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.