Home / 438,350,531.86-657,556,474.13-176,035,040.22

Finding the Fourth Proportional to 438,350,531.86, 657,556,474.13 and 176,035,040.22

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Solution

The fourth proportional to 438,350,531.86, 657,556,474.13 and 176,035,040.22 is: 264,064,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,350,531.86 : 657,556,474.13 = 176,035,040.22 : x
  2. Step 2: Convert to fraction form
    438,350,531.86/657,556,474.13 = 176,035,040.22/x
  3. Step 3: Cross multiply
    438,350,531.86x = 657,556,474.13 × 176,035,040.22
  4. Step 4: Simplify right side
    438,350,531.86x = 115,752,980,370,395,936
  5. Step 5: Solve for x
    x = 115,752,980,370,395,936/438,350,531.86
  6. Step 6: Final answer
    x = 264,064,879.49

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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.