Home / 660,761,138,750.85-911,850,415,325.30-367,779,774,046.90

Finding the Fourth Proportional to 660,761,138,750.85, 911,850,415,325.30 and 367,779,774,046.90

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Solution

The fourth proportional to 660,761,138,750.85, 911,850,415,325.30 and 367,779,774,046.90 is: 507,536,112,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,761,138,750.85 : 911,850,415,325.30 = 367,779,774,046.90 : x
  2. Step 2: Convert to fraction form
    660,761,138,750.85/911,850,415,325.30 = 367,779,774,046.90/x
  3. Step 3: Cross multiply
    660,761,138,750.85x = 911,850,415,325.30 × 367,779,774,046.90
  4. Step 4: Simplify right side
    660,761,138,750.85x = 335,360,139,712,910,820,638,720
  5. Step 5: Solve for x
    x = 335,360,139,712,910,820,638,720/660,761,138,750.85
  6. Step 6: Final answer
    x = 507,536,112,591.16

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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.