Home / 639,738,032.30-959,607,048.45-523,511,885.60

Finding the Fourth Proportional to 639,738,032.30, 959,607,048.45 and 523,511,885.60

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Solution

The fourth proportional to 639,738,032.30, 959,607,048.45 and 523,511,885.60 is: 785,267,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,032.30 : 959,607,048.45 = 523,511,885.60 : x
  2. Step 2: Convert to fraction form
    639,738,032.30/959,607,048.45 = 523,511,885.60/x
  3. Step 3: Cross multiply
    639,738,032.30x = 959,607,048.45 × 523,511,885.60
  4. Step 4: Simplify right side
    639,738,032.30x = 502,365,695,369,110,080
  5. Step 5: Solve for x
    x = 502,365,695,369,110,080/639,738,032.30
  6. Step 6: Final answer
    x = 785,267,828.40

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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.