Home / 1,098,756,068.80-1,648,134,103.20-371,744,780.80

Finding the Fourth Proportional to 1,098,756,068.80, 1,648,134,103.20 and 371,744,780.80

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Solution

The fourth proportional to 1,098,756,068.80, 1,648,134,103.20 and 371,744,780.80 is: 557,617,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,756,068.80 : 1,648,134,103.20 = 371,744,780.80 : x
  2. Step 2: Convert to fraction form
    1,098,756,068.80/1,648,134,103.20 = 371,744,780.80/x
  3. Step 3: Cross multiply
    1,098,756,068.80x = 1,648,134,103.20 × 371,744,780.80
  4. Step 4: Simplify right side
    1,098,756,068.80x = 612,685,250,923,088,640
  5. Step 5: Solve for x
    x = 612,685,250,923,088,640/1,098,756,068.80
  6. Step 6: Final answer
    x = 557,617,171.20

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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.