Home / 399,362,662.16-551,141,762.91-223,154,934.92

Finding the Fourth Proportional to 399,362,662.16, 551,141,762.91 and 223,154,934.92

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Solution

The fourth proportional to 399,362,662.16, 551,141,762.91 and 223,154,934.92 is: 307,965,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,362,662.16 : 551,141,762.91 = 223,154,934.92 : x
  2. Step 2: Convert to fraction form
    399,362,662.16/551,141,762.91 = 223,154,934.92/x
  3. Step 3: Cross multiply
    399,362,662.16x = 551,141,762.91 × 223,154,934.92
  4. Step 4: Simplify right side
    399,362,662.16x = 122,990,004,233,610,192
  5. Step 5: Solve for x
    x = 122,990,004,233,610,192/399,362,662.16
  6. Step 6: Final answer
    x = 307,965,706.08

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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.