Home / 316,436,047.32-474,790,472.28-170,840,698.68

Finding the Fourth Proportional to 316,436,047.32, 474,790,472.28 and 170,840,698.68

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Solution

The fourth proportional to 316,436,047.32, 474,790,472.28 and 170,840,698.68 is: 256,334,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,436,047.32 : 474,790,472.28 = 170,840,698.68 : x
  2. Step 2: Convert to fraction form
    316,436,047.32/474,790,472.28 = 170,840,698.68/x
  3. Step 3: Cross multiply
    316,436,047.32x = 474,790,472.28 × 170,840,698.68
  4. Step 4: Simplify right side
    316,436,047.32x = 81,113,536,010,922,368
  5. Step 5: Solve for x
    x = 81,113,536,010,922,368/316,436,047.32
  6. Step 6: Final answer
    x = 256,334,689.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.