Home / 443,963,477.60-665,945,216.40-425,823,624.80

Finding the Fourth Proportional to 443,963,477.60, 665,945,216.40 and 425,823,624.80

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Solution

The fourth proportional to 443,963,477.60, 665,945,216.40 and 425,823,624.80 is: 638,735,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,963,477.60 : 665,945,216.40 = 425,823,624.80 : x
  2. Step 2: Convert to fraction form
    443,963,477.60/665,945,216.40 = 425,823,624.80/x
  3. Step 3: Cross multiply
    443,963,477.60x = 665,945,216.40 × 425,823,624.80
  4. Step 4: Simplify right side
    443,963,477.60x = 283,575,205,965,668,416
  5. Step 5: Solve for x
    x = 283,575,205,965,668,416/443,963,477.60
  6. Step 6: Final answer
    x = 638,735,437.20

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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.