Home / 798,484,740.48-1,101,847,442.88-450,838,542.72

Finding the Fourth Proportional to 798,484,740.48, 1,101,847,442.88 and 450,838,542.72

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Solution

The fourth proportional to 798,484,740.48, 1,101,847,442.88 and 450,838,542.72 is: 622,122,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,484,740.48 : 1,101,847,442.88 = 450,838,542.72 : x
  2. Step 2: Convert to fraction form
    798,484,740.48/1,101,847,442.88 = 450,838,542.72/x
  3. Step 3: Cross multiply
    798,484,740.48x = 1,101,847,442.88 × 450,838,542.72
  4. Step 4: Simplify right side
    798,484,740.48x = 496,755,295,447,777,728
  5. Step 5: Solve for x
    x = 496,755,295,447,777,728/798,484,740.48
  6. Step 6: Final answer
    x = 622,122,465.55

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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.