Home / 416,228,423.40-623,670,788.70-347,700,090.60

Finding the Fourth Proportional to 416,228,423.40, 623,670,788.70 and 347,700,090.60

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Solution

The fourth proportional to 416,228,423.40, 623,670,788.70 and 347,700,090.60 is: 520,988,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,228,423.40 : 623,670,788.70 = 347,700,090.60 : x
  2. Step 2: Convert to fraction form
    416,228,423.40/623,670,788.70 = 347,700,090.60/x
  3. Step 3: Cross multiply
    416,228,423.40x = 623,670,788.70 × 347,700,090.60
  4. Step 4: Simplify right side
    416,228,423.40x = 216,850,389,735,563,488
  5. Step 5: Solve for x
    x = 216,850,389,735,563,488/416,228,423.40
  6. Step 6: Final answer
    x = 520,988,903.07

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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.