Home / 2,156,767,977.15-3,235,591,523.57-975,781,197.45

Finding the Fourth Proportional to 2,156,767,977.15, 3,235,591,523.57 and 975,781,197.45

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Solution

The fourth proportional to 2,156,767,977.15, 3,235,591,523.57 and 975,781,197.45 is: 1,463,870,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,767,977.15 : 3,235,591,523.57 = 975,781,197.45 : x
  2. Step 2: Convert to fraction form
    2,156,767,977.15/3,235,591,523.57 = 975,781,197.45/x
  3. Step 3: Cross multiply
    2,156,767,977.15x = 3,235,591,523.57 × 975,781,197.45
  4. Step 4: Simplify right side
    2,156,767,977.15x = 3,157,229,371,323,325,952
  5. Step 5: Solve for x
    x = 3,157,229,371,323,325,952/2,156,767,977.15
  6. Step 6: Final answer
    x = 1,463,870,664.24

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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.