Home / 561,860,143.20-842,790,214.80-550,381,017.60

Finding the Fourth Proportional to 561,860,143.20, 842,790,214.80 and 550,381,017.60

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Solution

The fourth proportional to 561,860,143.20, 842,790,214.80 and 550,381,017.60 is: 825,571,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,860,143.20 : 842,790,214.80 = 550,381,017.60 : x
  2. Step 2: Convert to fraction form
    561,860,143.20/842,790,214.80 = 550,381,017.60/x
  3. Step 3: Cross multiply
    561,860,143.20x = 842,790,214.80 × 550,381,017.60
  4. Step 4: Simplify right side
    561,860,143.20x = 463,855,736,044,946,560
  5. Step 5: Solve for x
    x = 463,855,736,044,946,560/561,860,143.20
  6. Step 6: Final answer
    x = 825,571,526.40

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1.5x scale

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.