Home / 438,350,530.36-657,556,471.88-176,035,038.72

Finding the Fourth Proportional to 438,350,530.36, 657,556,471.88 and 176,035,038.72

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Solution

The fourth proportional to 438,350,530.36, 657,556,471.88 and 176,035,038.72 is: 264,064,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,350,530.36 : 657,556,471.88 = 176,035,038.72 : x
  2. Step 2: Convert to fraction form
    438,350,530.36/657,556,471.88 = 176,035,038.72/x
  3. Step 3: Cross multiply
    438,350,530.36x = 657,556,471.88 × 176,035,038.72
  4. Step 4: Simplify right side
    438,350,530.36x = 115,752,978,987,982,384
  5. Step 5: Solve for x
    x = 115,752,978,987,982,384/438,350,530.36
  6. Step 6: Final answer
    x = 264,064,877.24

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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.