Home / 708,608,271.20-1,062,912,406.80-191,091,025.40

Finding the Fourth Proportional to 708,608,271.20, 1,062,912,406.80 and 191,091,025.40

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Solution

The fourth proportional to 708,608,271.20, 1,062,912,406.80 and 191,091,025.40 is: 286,636,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,608,271.20 : 1,062,912,406.80 = 191,091,025.40 : x
  2. Step 2: Convert to fraction form
    708,608,271.20/1,062,912,406.80 = 191,091,025.40/x
  3. Step 3: Cross multiply
    708,608,271.20x = 1,062,912,406.80 × 191,091,025.40
  4. Step 4: Simplify right side
    708,608,271.20x = 203,113,021,725,793,920
  5. Step 5: Solve for x
    x = 203,113,021,725,793,920/708,608,271.20
  6. Step 6: Final answer
    x = 286,636,538.10

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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.