Home / 458,661,010.55-643,939,400.05-458,661,010.55

Finding the Fourth Proportional to 458,661,010.55, 643,939,400.05 and 458,661,010.55

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Solution

The fourth proportional to 458,661,010.55, 643,939,400.05 and 458,661,010.55 is: 643,939,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,661,010.55 : 643,939,400.05 = 458,661,010.55 : x
  2. Step 2: Convert to fraction form
    458,661,010.55/643,939,400.05 = 458,661,010.55/x
  3. Step 3: Cross multiply
    458,661,010.55x = 643,939,400.05 × 458,661,010.55
  4. Step 4: Simplify right side
    458,661,010.55x = 295,349,895,959,893,696
  5. Step 5: Solve for x
    x = 295,349,895,959,893,696/458,661,010.55
  6. Step 6: Final answer
    x = 643,939,400.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.