Home / 1,116,887,487.21-1,673,151,737.34-870,088,529.85

Finding the Fourth Proportional to 1,116,887,487.21, 1,673,151,737.34 and 870,088,529.85

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Solution

The fourth proportional to 1,116,887,487.21, 1,673,151,737.34 and 870,088,529.85 is: 1,303,434,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,887,487.21 : 1,673,151,737.34 = 870,088,529.85 : x
  2. Step 2: Convert to fraction form
    1,116,887,487.21/1,673,151,737.34 = 870,088,529.85/x
  3. Step 3: Cross multiply
    1,116,887,487.21x = 1,673,151,737.34 × 870,088,529.85
  4. Step 4: Simplify right side
    1,116,887,487.21x = 1,455,790,135,358,117,632
  5. Step 5: Solve for x
    x = 1,455,790,135,358,117,632/1,116,887,487.21
  6. Step 6: Final answer
    x = 1,303,434,904.62

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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.