Home / 708,840,277.20-1,063,260,415.80-611,905,438.80

Finding the Fourth Proportional to 708,840,277.20, 1,063,260,415.80 and 611,905,438.80

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Solution

The fourth proportional to 708,840,277.20, 1,063,260,415.80 and 611,905,438.80 is: 917,858,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,840,277.20 : 1,063,260,415.80 = 611,905,438.80 : x
  2. Step 2: Convert to fraction form
    708,840,277.20/1,063,260,415.80 = 611,905,438.80/x
  3. Step 3: Cross multiply
    708,840,277.20x = 1,063,260,415.80 × 611,905,438.80
  4. Step 4: Simplify right side
    708,840,277.20x = 650,614,831,288,769,408
  5. Step 5: Solve for x
    x = 650,614,831,288,769,408/708,840,277.20
  6. Step 6: Final answer
    x = 917,858,158.20

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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.