Home / 496,136,952-684,668,993.76-276,172,341.12

Finding the Fourth Proportional to 496,136,952, 684,668,993.76 and 276,172,341.12

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Solution

The fourth proportional to 496,136,952, 684,668,993.76 and 276,172,341.12 is: 381,117,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,136,952 : 684,668,993.76 = 276,172,341.12 : x
  2. Step 2: Convert to fraction form
    496,136,952/684,668,993.76 = 276,172,341.12/x
  3. Step 3: Cross multiply
    496,136,952x = 684,668,993.76 × 276,172,341.12
  4. Step 4: Simplify right side
    496,136,952x = 189,086,638,898,973,888
  5. Step 5: Solve for x
    x = 189,086,638,898,973,888/496,136,952
  6. Step 6: Final answer
    x = 381,117,830.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.