Home / 664,134,466.40-996,626,852.40-387,785,146.40

Finding the Fourth Proportional to 664,134,466.40, 996,626,852.40 and 387,785,146.40

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Solution

The fourth proportional to 664,134,466.40, 996,626,852.40 and 387,785,146.40 is: 581,925,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,134,466.40 : 996,626,852.40 = 387,785,146.40 : x
  2. Step 2: Convert to fraction form
    664,134,466.40/996,626,852.40 = 387,785,146.40/x
  3. Step 3: Cross multiply
    664,134,466.40x = 996,626,852.40 × 387,785,146.40
  4. Step 4: Simplify right side
    664,134,466.40x = 386,477,089,864,105,152
  5. Step 5: Solve for x
    x = 386,477,089,864,105,152/664,134,466.40
  6. Step 6: Final answer
    x = 581,925,964.42

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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.