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Finding the Fourth Proportional to 659,834,670.93, 910,542,390.93 and 395,662,435.71

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Solution

The fourth proportional to 659,834,670.93, 910,542,390.93 and 395,662,435.71 is: 545,996,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,834,670.93 : 910,542,390.93 = 395,662,435.71 : x
  2. Step 2: Convert to fraction form
    659,834,670.93/910,542,390.93 = 395,662,435.71/x
  3. Step 3: Cross multiply
    659,834,670.93x = 910,542,390.93 × 395,662,435.71
  4. Step 4: Simplify right side
    659,834,670.93x = 360,267,420,212,570,752
  5. Step 5: Solve for x
    x = 360,267,420,212,570,752/659,834,670.93
  6. Step 6: Final answer
    x = 545,996,498.95

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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.