Home / 630,946,887.72-870,661,088.92-348,685,950.88

Finding the Fourth Proportional to 630,946,887.72, 870,661,088.92 and 348,685,950.88

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Solution

The fourth proportional to 630,946,887.72, 870,661,088.92 and 348,685,950.88 is: 481,161,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,946,887.72 : 870,661,088.92 = 348,685,950.88 : x
  2. Step 2: Convert to fraction form
    630,946,887.72/870,661,088.92 = 348,685,950.88/x
  3. Step 3: Cross multiply
    630,946,887.72x = 870,661,088.92 × 348,685,950.88
  4. Step 4: Simplify right side
    630,946,887.72x = 303,587,289,684,286,400
  5. Step 5: Solve for x
    x = 303,587,289,684,286,400/630,946,887.72
  6. Step 6: Final answer
    x = 481,161,402.95

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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.