Home / 717,521,605.60-1,076,282,408.40-172,263,139.60

Finding the Fourth Proportional to 717,521,605.60, 1,076,282,408.40 and 172,263,139.60

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Solution

The fourth proportional to 717,521,605.60, 1,076,282,408.40 and 172,263,139.60 is: 258,394,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,521,605.60 : 1,076,282,408.40 = 172,263,139.60 : x
  2. Step 2: Convert to fraction form
    717,521,605.60/1,076,282,408.40 = 172,263,139.60/x
  3. Step 3: Cross multiply
    717,521,605.60x = 1,076,282,408.40 × 172,263,139.60
  4. Step 4: Simplify right side
    717,521,605.60x = 185,403,786,767,233,408
  5. Step 5: Solve for x
    x = 185,403,786,767,233,408/717,521,605.60
  6. Step 6: Final answer
    x = 258,394,709.40

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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.