Home / 442,597,376.40-663,896,064.60-270,410,492.40

Finding the Fourth Proportional to 442,597,376.40, 663,896,064.60 and 270,410,492.40

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Solution

The fourth proportional to 442,597,376.40, 663,896,064.60 and 270,410,492.40 is: 405,615,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,597,376.40 : 663,896,064.60 = 270,410,492.40 : x
  2. Step 2: Convert to fraction form
    442,597,376.40/663,896,064.60 = 270,410,492.40/x
  3. Step 3: Cross multiply
    442,597,376.40x = 663,896,064.60 × 270,410,492.40
  4. Step 4: Simplify right side
    442,597,376.40x = 179,524,461,730,908,192
  5. Step 5: Solve for x
    x = 179,524,461,730,908,192/442,597,376.40
  6. Step 6: Final answer
    x = 405,615,738.60

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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.