Home / 449,388,356,898.04-674,010,780,158.55-130,960,071,779.70

Finding the Fourth Proportional to 449,388,356,898.04, 674,010,780,158.55 and 130,960,071,779.70

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Solution

The fourth proportional to 449,388,356,898.04, 674,010,780,158.55 and 130,960,071,779.70 is: 196,419,196,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,388,356,898.04 : 674,010,780,158.55 = 130,960,071,779.70 : x
  2. Step 2: Convert to fraction form
    449,388,356,898.04/674,010,780,158.55 = 130,960,071,779.70/x
  3. Step 3: Cross multiply
    449,388,356,898.04x = 674,010,780,158.55 × 130,960,071,779.70
  4. Step 4: Simplify right side
    449,388,356,898.04x = 88,268,500,149,855,311,626,240
  5. Step 5: Solve for x
    x = 88,268,500,149,855,311,626,240/449,388,356,898.04
  6. Step 6: Final answer
    x = 196,419,196,881.60

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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.