Home / 660,761,138,759.40-911,850,415,337.20-367,779,774,055.45

Finding the Fourth Proportional to 660,761,138,759.40, 911,850,415,337.20 and 367,779,774,055.45

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Solution

The fourth proportional to 660,761,138,759.40, 911,850,415,337.20 and 367,779,774,055.45 is: 507,536,112,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,761,138,759.40 : 911,850,415,337.20 = 367,779,774,055.45 : x
  2. Step 2: Convert to fraction form
    660,761,138,759.40/911,850,415,337.20 = 367,779,774,055.45/x
  3. Step 3: Cross multiply
    660,761,138,759.40x = 911,850,415,337.20 × 367,779,774,055.45
  4. Step 4: Simplify right side
    660,761,138,759.40x = 335,360,139,725,083,630,370,816
  5. Step 5: Solve for x
    x = 335,360,139,725,083,630,370,816/660,761,138,759.40
  6. Step 6: Final answer
    x = 507,536,112,603.01

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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.