Home / 630,594,682.29-870,203,801.47-348,331,048.11

Finding the Fourth Proportional to 630,594,682.29, 870,203,801.47 and 348,331,048.11

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Solution

The fourth proportional to 630,594,682.29, 870,203,801.47 and 348,331,048.11 is: 480,687,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,594,682.29 : 870,203,801.47 = 348,331,048.11 : x
  2. Step 2: Convert to fraction form
    630,594,682.29/870,203,801.47 = 348,331,048.11/x
  3. Step 3: Cross multiply
    630,594,682.29x = 870,203,801.47 × 348,331,048.11
  4. Step 4: Simplify right side
    630,594,682.29x = 303,119,002,235,351,488
  5. Step 5: Solve for x
    x = 303,119,002,235,351,488/630,594,682.29
  6. Step 6: Final answer
    x = 480,687,533.13

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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.