Home / 867,116,898.99-1,196,618,302.62-470,639,887.29

Finding the Fourth Proportional to 867,116,898.99, 1,196,618,302.62 and 470,639,887.29

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Solution

The fourth proportional to 867,116,898.99, 1,196,618,302.62 and 470,639,887.29 is: 649,481,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,116,898.99 : 1,196,618,302.62 = 470,639,887.29 : x
  2. Step 2: Convert to fraction form
    867,116,898.99/1,196,618,302.62 = 470,639,887.29/x
  3. Step 3: Cross multiply
    867,116,898.99x = 1,196,618,302.62 × 470,639,887.29
  4. Step 4: Simplify right side
    867,116,898.99x = 563,176,303,074,227,904
  5. Step 5: Solve for x
    x = 563,176,303,074,227,904/867,116,898.99
  6. Step 6: Final answer
    x = 649,481,406.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.