Home / 310,653,598.68-428,699,268-169,527,611.34

Finding the Fourth Proportional to 310,653,598.68, 428,699,268 and 169,527,611.34

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Solution

The fourth proportional to 310,653,598.68, 428,699,268 and 169,527,611.34 is: 233,946,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,653,598.68 : 428,699,268 = 169,527,611.34 : x
  2. Step 2: Convert to fraction form
    310,653,598.68/428,699,268 = 169,527,611.34/x
  3. Step 3: Cross multiply
    310,653,598.68x = 428,699,268 × 169,527,611.34
  4. Step 4: Simplify right side
    310,653,598.68x = 72,676,362,887,246,496
  5. Step 5: Solve for x
    x = 72,676,362,887,246,496/310,653,598.68
  6. Step 6: Final answer
    x = 233,946,631.22

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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.