Home / 442,868,405.10-664,302,607.65-297,749,582.70

Finding the Fourth Proportional to 442,868,405.10, 664,302,607.65 and 297,749,582.70

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Solution

The fourth proportional to 442,868,405.10, 664,302,607.65 and 297,749,582.70 is: 446,624,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,405.10 : 664,302,607.65 = 297,749,582.70 : x
  2. Step 2: Convert to fraction form
    442,868,405.10/664,302,607.65 = 297,749,582.70/x
  3. Step 3: Cross multiply
    442,868,405.10x = 664,302,607.65 × 297,749,582.70
  4. Step 4: Simplify right side
    442,868,405.10x = 197,795,824,214,309,312
  5. Step 5: Solve for x
    x = 197,795,824,214,309,312/442,868,405.10
  6. Step 6: Final answer
    x = 446,624,374.05

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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.