Home / 399,362,663.16-551,141,764.29-223,154,935.92

Finding the Fourth Proportional to 399,362,663.16, 551,141,764.29 and 223,154,935.92

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Solution

The fourth proportional to 399,362,663.16, 551,141,764.29 and 223,154,935.92 is: 307,965,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,362,663.16 : 551,141,764.29 = 223,154,935.92 : x
  2. Step 2: Convert to fraction form
    399,362,663.16/551,141,764.29 = 223,154,935.92/x
  3. Step 3: Cross multiply
    399,362,663.16x = 551,141,764.29 × 223,154,935.92
  4. Step 4: Simplify right side
    399,362,663.16x = 122,990,005,092,970,672
  5. Step 5: Solve for x
    x = 122,990,005,092,970,672/399,362,663.16
  6. Step 6: Final answer
    x = 307,965,707.46

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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.