Home / 386,070,348.82-525,649,516.30-384,844,526.20

Finding the Fourth Proportional to 386,070,348.82, 525,649,516.30 and 384,844,526.20

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Solution

The fourth proportional to 386,070,348.82, 525,649,516.30 and 384,844,526.20 is: 523,980,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,070,348.82 : 525,649,516.30 = 384,844,526.20 : x
  2. Step 2: Convert to fraction form
    386,070,348.82/525,649,516.30 = 384,844,526.20/x
  3. Step 3: Cross multiply
    386,070,348.82x = 525,649,516.30 × 384,844,526.20
  4. Step 4: Simplify right side
    386,070,348.82x = 202,293,339,047,732,672
  5. Step 5: Solve for x
    x = 202,293,339,047,732,672/386,070,348.82
  6. Step 6: Final answer
    x = 523,980,512.01

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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.