Home / 426,618,841,877.16-639,480,305,880-143,539,407,525.66

Finding the Fourth Proportional to 426,618,841,877.16, 639,480,305,880 and 143,539,407,525.66

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Solution

The fourth proportional to 426,618,841,877.16, 639,480,305,880 and 143,539,407,525.66 is: 215,158,392,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,618,841,877.16 : 639,480,305,880 = 143,539,407,525.66 : x
  2. Step 2: Convert to fraction form
    426,618,841,877.16/639,480,305,880 = 143,539,407,525.66/x
  3. Step 3: Cross multiply
    426,618,841,877.16x = 639,480,305,880 × 143,539,407,525.66
  4. Step 4: Simplify right side
    426,618,841,877.16x = 91,790,624,230,343,033,487,360
  5. Step 5: Solve for x
    x = 91,790,624,230,343,033,487,360/426,618,841,877.16
  6. Step 6: Final answer
    x = 215,158,392,504.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.