Home / 660,761,138,789.20-911,850,415,378.30-367,779,774,085.22

Finding the Fourth Proportional to 660,761,138,789.20, 911,850,415,378.30 and 367,779,774,085.22

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Solution

The fourth proportional to 660,761,138,789.20, 911,850,415,378.30 and 367,779,774,085.22 is: 507,536,112,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,761,138,789.20 : 911,850,415,378.30 = 367,779,774,085.22 : x
  2. Step 2: Convert to fraction form
    660,761,138,789.20/911,850,415,378.30 = 367,779,774,085.22/x
  3. Step 3: Cross multiply
    660,761,138,789.20x = 911,850,415,378.30 × 367,779,774,085.22
  4. Step 4: Simplify right side
    660,761,138,789.20x = 335,360,139,767,345,169,039,360
  5. Step 5: Solve for x
    x = 335,360,139,767,345,169,039,360/660,761,138,789.20
  6. Step 6: Final answer
    x = 507,536,112,644.08

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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.