Home / 660,761,138,790.35-911,850,415,379.85-367,779,774,086.37

Finding the Fourth Proportional to 660,761,138,790.35, 911,850,415,379.85 and 367,779,774,086.37

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Solution

The fourth proportional to 660,761,138,790.35, 911,850,415,379.85 and 367,779,774,086.37 is: 507,536,112,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,761,138,790.35 : 911,850,415,379.85 = 367,779,774,086.37 : x
  2. Step 2: Convert to fraction form
    660,761,138,790.35/911,850,415,379.85 = 367,779,774,086.37/x
  3. Step 3: Cross multiply
    660,761,138,790.35x = 911,850,415,379.85 × 367,779,774,086.37
  4. Step 4: Simplify right side
    660,761,138,790.35x = 335,360,139,768,963,834,839,040
  5. Step 5: Solve for x
    x = 335,360,139,768,963,834,839,040/660,761,138,790.35
  6. Step 6: Final answer
    x = 507,536,112,645.65

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1.5x scale

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.