Home / 304,357,522-420,014,430.12-165,128,902.96

Finding the Fourth Proportional to 304,357,522, 420,014,430.12 and 165,128,902.96

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Solution

The fourth proportional to 304,357,522, 420,014,430.12 and 165,128,902.96 is: 227,878,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,357,522 : 420,014,430.12 = 165,128,902.96 : x
  2. Step 2: Convert to fraction form
    304,357,522/420,014,430.12 = 165,128,902.96/x
  3. Step 3: Cross multiply
    304,357,522x = 420,014,430.12 × 165,128,902.96
  4. Step 4: Simplify right side
    304,357,522x = 69,356,522,073,085,184
  5. Step 5: Solve for x
    x = 69,356,522,073,085,184/304,357,522
  6. Step 6: Final answer
    x = 227,878,455.63

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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.