Home / 677,806,582.32-1,016,245,720.44-345,169,701.72

Finding the Fourth Proportional to 677,806,582.32, 1,016,245,720.44 and 345,169,701.72

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Solution

The fourth proportional to 677,806,582.32, 1,016,245,720.44 and 345,169,701.72 is: 517,518,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,806,582.32 : 1,016,245,720.44 = 345,169,701.72 : x
  2. Step 2: Convert to fraction form
    677,806,582.32/1,016,245,720.44 = 345,169,701.72/x
  3. Step 3: Cross multiply
    677,806,582.32x = 1,016,245,720.44 × 345,169,701.72
  4. Step 4: Simplify right side
    677,806,582.32x = 350,777,232,198,501,376
  5. Step 5: Solve for x
    x = 350,777,232,198,501,376/677,806,582.32
  6. Step 6: Final answer
    x = 517,518,184.90

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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.