Home / 354,641,353.60-531,962,030.40-339,524,809.60

Finding the Fourth Proportional to 354,641,353.60, 531,962,030.40 and 339,524,809.60

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Solution

The fourth proportional to 354,641,353.60, 531,962,030.40 and 339,524,809.60 is: 509,287,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,641,353.60 : 531,962,030.40 = 339,524,809.60 : x
  2. Step 2: Convert to fraction form
    354,641,353.60/531,962,030.40 = 339,524,809.60/x
  3. Step 3: Cross multiply
    354,641,353.60x = 531,962,030.40 × 339,524,809.60
  4. Step 4: Simplify right side
    354,641,353.60x = 180,614,307,085,989,408
  5. Step 5: Solve for x
    x = 180,614,307,085,989,408/354,641,353.60
  6. Step 6: Final answer
    x = 509,287,214.40

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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.