Home / 488,570,638.56-732,855,491.28-125,064,411.36

Finding the Fourth Proportional to 488,570,638.56, 732,855,491.28 and 125,064,411.36

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Solution

The fourth proportional to 488,570,638.56, 732,855,491.28 and 125,064,411.36 is: 187,596,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,570,638.56 : 732,855,491.28 = 125,064,411.36 : x
  2. Step 2: Convert to fraction form
    488,570,638.56/732,855,491.28 = 125,064,411.36/x
  3. Step 3: Cross multiply
    488,570,638.56x = 732,855,491.28 × 125,064,411.36
  4. Step 4: Simplify right side
    488,570,638.56x = 91,654,140,628,876,816
  5. Step 5: Solve for x
    x = 91,654,140,628,876,816/488,570,638.56
  6. Step 6: Final answer
    x = 187,596,497.61

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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.