Home / 657,458,446.81-907,293,145.75-356,046,098.09

Finding the Fourth Proportional to 657,458,446.81, 907,293,145.75 and 356,046,098.09

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Solution

The fourth proportional to 657,458,446.81, 907,293,145.75 and 356,046,098.09 is: 491,343,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,458,446.81 : 907,293,145.75 = 356,046,098.09 : x
  2. Step 2: Convert to fraction form
    657,458,446.81/907,293,145.75 = 356,046,098.09/x
  3. Step 3: Cross multiply
    657,458,446.81x = 907,293,145.75 × 356,046,098.09
  4. Step 4: Simplify right side
    657,458,446.81x = 323,038,184,368,089,152
  5. Step 5: Solve for x
    x = 323,038,184,368,089,152/657,458,446.81
  6. Step 6: Final answer
    x = 491,343,880.27

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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.