Home / 1,029,672,007.20-1,544,060,113.20-339,312,506.40

Finding the Fourth Proportional to 1,029,672,007.20, 1,544,060,113.20 and 339,312,506.40

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Solution

The fourth proportional to 1,029,672,007.20, 1,544,060,113.20 and 339,312,506.40 is: 508,821,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,672,007.20 : 1,544,060,113.20 = 339,312,506.40 : x
  2. Step 2: Convert to fraction form
    1,029,672,007.20/1,544,060,113.20 = 339,312,506.40/x
  3. Step 3: Cross multiply
    1,029,672,007.20x = 1,544,060,113.20 × 339,312,506.40
  4. Step 4: Simplify right side
    1,029,672,007.20x = 523,918,907,042,159,680
  5. Step 5: Solve for x
    x = 523,918,907,042,159,680/1,029,672,007.20
  6. Step 6: Final answer
    x = 508,821,161.86

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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.