Home / 426,909,462,176.88-640,341,640,032.39-140,029,729,818.34

Finding the Fourth Proportional to 426,909,462,176.88, 640,341,640,032.39 and 140,029,729,818.34

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Solution

The fourth proportional to 426,909,462,176.88, 640,341,640,032.39 and 140,029,729,818.34 is: 210,037,197,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,909,462,176.88 : 640,341,640,032.39 = 140,029,729,818.34 : x
  2. Step 2: Convert to fraction form
    426,909,462,176.88/640,341,640,032.39 = 140,029,729,818.34/x
  3. Step 3: Cross multiply
    426,909,462,176.88x = 640,341,640,032.39 × 140,029,729,818.34
  4. Step 4: Simplify right side
    426,909,462,176.88x = 89,666,866,845,168,307,273,728
  5. Step 5: Solve for x
    x = 89,666,866,845,168,307,273,728/426,909,462,176.88
  6. Step 6: Final answer
    x = 210,037,197,086.11

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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.