Home / 761,366,617.39-1,051,030,204.64-479,523,267.71

Finding the Fourth Proportional to 761,366,617.39, 1,051,030,204.64 and 479,523,267.71

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Solution

The fourth proportional to 761,366,617.39, 1,051,030,204.64 and 479,523,267.71 is: 661,958,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,366,617.39 : 1,051,030,204.64 = 479,523,267.71 : x
  2. Step 2: Convert to fraction form
    761,366,617.39/1,051,030,204.64 = 479,523,267.71/x
  3. Step 3: Cross multiply
    761,366,617.39x = 1,051,030,204.64 × 479,523,267.71
  4. Step 4: Simplify right side
    761,366,617.39x = 503,993,438,188,945,664
  5. Step 5: Solve for x
    x = 503,993,438,188,945,664/761,366,617.39
  6. Step 6: Final answer
    x = 661,958,938.94

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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.