Home / 1,116,887,488.10-1,673,151,738.68-870,088,530.74

Finding the Fourth Proportional to 1,116,887,488.10, 1,673,151,738.68 and 870,088,530.74

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Solution

The fourth proportional to 1,116,887,488.10, 1,673,151,738.68 and 870,088,530.74 is: 1,303,434,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,887,488.10 : 1,673,151,738.68 = 870,088,530.74 : x
  2. Step 2: Convert to fraction form
    1,116,887,488.10/1,673,151,738.68 = 870,088,530.74/x
  3. Step 3: Cross multiply
    1,116,887,488.10x = 1,673,151,738.68 × 870,088,530.74
  4. Step 4: Simplify right side
    1,116,887,488.10x = 1,455,790,138,013,157,632
  5. Step 5: Solve for x
    x = 1,455,790,138,013,157,632/1,116,887,488.10
  6. Step 6: Final answer
    x = 1,303,434,905.95

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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.