Home / 304,480,054.76-420,185,501.54-165,252,053.48

Finding the Fourth Proportional to 304,480,054.76, 420,185,501.54 and 165,252,053.48

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Solution

The fourth proportional to 304,480,054.76, 420,185,501.54 and 165,252,053.48 is: 228,049,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480,054.76 : 420,185,501.54 = 165,252,053.48 : x
  2. Step 2: Convert to fraction form
    304,480,054.76/420,185,501.54 = 165,252,053.48/x
  3. Step 3: Cross multiply
    304,480,054.76x = 420,185,501.54 × 165,252,053.48
  4. Step 4: Simplify right side
    304,480,054.76x = 69,436,516,972,008,704
  5. Step 5: Solve for x
    x = 69,436,516,972,008,704/304,480,054.76
  6. Step 6: Final answer
    x = 228,049,476.10

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1.5x scale

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.