Home / 633,084,834.24-873,705,538.66-398,336,715.72

Finding the Fourth Proportional to 633,084,834.24, 873,705,538.66 and 398,336,715.72

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Solution

The fourth proportional to 633,084,834.24, 873,705,538.66 and 398,336,715.72 is: 549,735,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,084,834.24 : 873,705,538.66 = 398,336,715.72 : x
  2. Step 2: Convert to fraction form
    633,084,834.24/873,705,538.66 = 398,336,715.72/x
  3. Step 3: Cross multiply
    633,084,834.24x = 873,705,538.66 × 398,336,715.72
  4. Step 4: Simplify right side
    633,084,834.24x = 348,028,994,776,197,888
  5. Step 5: Solve for x
    x = 348,028,994,776,197,888/633,084,834.24
  6. Step 6: Final answer
    x = 549,735,163.37

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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.