Home / 761,366,570.77-1,051,030,140.31-479,523,221.09

Finding the Fourth Proportional to 761,366,570.77, 1,051,030,140.31 and 479,523,221.09

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Solution

The fourth proportional to 761,366,570.77, 1,051,030,140.31 and 479,523,221.09 is: 661,958,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,366,570.77 : 1,051,030,140.31 = 479,523,221.09 : x
  2. Step 2: Convert to fraction form
    761,366,570.77/1,051,030,140.31 = 479,523,221.09/x
  3. Step 3: Cross multiply
    761,366,570.77x = 1,051,030,140.31 × 479,523,221.09
  4. Step 4: Simplify right side
    761,366,570.77x = 503,993,358,344,305,856
  5. Step 5: Solve for x
    x = 503,993,358,344,305,856/761,366,570.77
  6. Step 6: Final answer
    x = 661,958,874.60

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Double scale
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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.