Home / 386,070,347.82-525,649,514.93-384,844,525.20

Finding the Fourth Proportional to 386,070,347.82, 525,649,514.93 and 384,844,525.20

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Solution

The fourth proportional to 386,070,347.82, 525,649,514.93 and 384,844,525.20 is: 523,980,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,070,347.82 : 525,649,514.93 = 384,844,525.20 : x
  2. Step 2: Convert to fraction form
    386,070,347.82/525,649,514.93 = 384,844,525.20/x
  3. Step 3: Cross multiply
    386,070,347.82x = 525,649,514.93 × 384,844,525.20
  4. Step 4: Simplify right side
    386,070,347.82x = 202,293,337,998,003,584
  5. Step 5: Solve for x
    x = 202,293,337,998,003,584/386,070,347.82
  6. Step 6: Final answer
    x = 523,980,510.66

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.