Home / 738,052,003.20-1,018,533,020.76-408,048,399.84

Finding the Fourth Proportional to 738,052,003.20, 1,018,533,020.76 and 408,048,399.84

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Solution

The fourth proportional to 738,052,003.20, 1,018,533,020.76 and 408,048,399.84 is: 563,118,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,052,003.20 : 1,018,533,020.76 = 408,048,399.84 : x
  2. Step 2: Convert to fraction form
    738,052,003.20/1,018,533,020.76 = 408,048,399.84/x
  3. Step 3: Cross multiply
    738,052,003.20x = 1,018,533,020.76 × 408,048,399.84
  4. Step 4: Simplify right side
    738,052,003.20x = 415,610,769,305,319,488
  5. Step 5: Solve for x
    x = 415,610,769,305,319,488/738,052,003.20
  6. Step 6: Final answer
    x = 563,118,543.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.