Home / 664,307,535.60-996,461,303.40-387,674,780.40

Finding the Fourth Proportional to 664,307,535.60, 996,461,303.40 and 387,674,780.40

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Solution

The fourth proportional to 664,307,535.60, 996,461,303.40 and 387,674,780.40 is: 581,512,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,307,535.60 : 996,461,303.40 = 387,674,780.40 : x
  2. Step 2: Convert to fraction form
    664,307,535.60/996,461,303.40 = 387,674,780.40/x
  3. Step 3: Cross multiply
    664,307,535.60x = 996,461,303.40 × 387,674,780.40
  4. Step 4: Simplify right side
    664,307,535.60x = 386,302,916,972,692,736
  5. Step 5: Solve for x
    x = 386,302,916,972,692,736/664,307,535.60
  6. Step 6: Final answer
    x = 581,512,170.60

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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.