Home / 630,594,677.54-870,203,794.92-348,331,043.36

Finding the Fourth Proportional to 630,594,677.54, 870,203,794.92 and 348,331,043.36

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Solution

The fourth proportional to 630,594,677.54, 870,203,794.92 and 348,331,043.36 is: 480,687,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,594,677.54 : 870,203,794.92 = 348,331,043.36 : x
  2. Step 2: Convert to fraction form
    630,594,677.54/870,203,794.92 = 348,331,043.36/x
  3. Step 3: Cross multiply
    630,594,677.54x = 870,203,794.92 × 348,331,043.36
  4. Step 4: Simplify right side
    630,594,677.54x = 303,118,995,820,315,072
  5. Step 5: Solve for x
    x = 303,118,995,820,315,072/630,594,677.54
  6. Step 6: Final answer
    x = 480,687,526.58

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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.