Home / 397,830,902.66-545,030,983.77-382,919,898.36

Finding the Fourth Proportional to 397,830,902.66, 545,030,983.77 and 382,919,898.36

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Solution

The fourth proportional to 397,830,902.66, 545,030,983.77 and 382,919,898.36 is: 524,602,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,830,902.66 : 545,030,983.77 = 382,919,898.36 : x
  2. Step 2: Convert to fraction form
    397,830,902.66/545,030,983.77 = 382,919,898.36/x
  3. Step 3: Cross multiply
    397,830,902.66x = 545,030,983.77 × 382,919,898.36
  4. Step 4: Simplify right side
    397,830,902.66x = 208,703,208,908,259,200
  5. Step 5: Solve for x
    x = 208,703,208,908,259,200/397,830,902.66
  6. Step 6: Final answer
    x = 524,602,808.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.