Home / 438,775,810.30-658,261,146.30-147,634,715.80

Finding the Fourth Proportional to 438,775,810.30, 658,261,146.30 and 147,634,715.80

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Solution

The fourth proportional to 438,775,810.30, 658,261,146.30 and 147,634,715.80 is: 221,484,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,775,810.30 : 658,261,146.30 = 147,634,715.80 : x
  2. Step 2: Convert to fraction form
    438,775,810.30/658,261,146.30 = 147,634,715.80/x
  3. Step 3: Cross multiply
    438,775,810.30x = 658,261,146.30 × 147,634,715.80
  4. Step 4: Simplify right side
    438,775,810.30x = 97,182,197,256,182,720
  5. Step 5: Solve for x
    x = 97,182,197,256,182,720/438,775,810.30
  6. Step 6: Final answer
    x = 221,484,856.22

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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.