Home / 657,458,447.71-907,293,147-356,046,099

Finding the Fourth Proportional to 657,458,447.71, 907,293,147 and 356,046,099

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Solution

The fourth proportional to 657,458,447.71, 907,293,147 and 356,046,099 is: 491,343,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,458,447.71 : 907,293,147 = 356,046,099 : x
  2. Step 2: Convert to fraction form
    657,458,447.71/907,293,147 = 356,046,099/x
  3. Step 3: Cross multiply
    657,458,447.71x = 907,293,147 × 356,046,099
  4. Step 4: Simplify right side
    657,458,447.71x = 323,038,185,638,783,552
  5. Step 5: Solve for x
    x = 323,038,185,638,783,552/657,458,447.71
  6. Step 6: Final answer
    x = 491,343,881.52

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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.