Home / 442,904,362.40-664,356,543.60-270,717,478.40

Finding the Fourth Proportional to 442,904,362.40, 664,356,543.60 and 270,717,478.40

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Solution

The fourth proportional to 442,904,362.40, 664,356,543.60 and 270,717,478.40 is: 406,076,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,362.40 : 664,356,543.60 = 270,717,478.40 : x
  2. Step 2: Convert to fraction form
    442,904,362.40/664,356,543.60 = 270,717,478.40/x
  3. Step 3: Cross multiply
    442,904,362.40x = 664,356,543.60 × 270,717,478.40
  4. Step 4: Simplify right side
    442,904,362.40x = 179,852,928,241,931,648
  5. Step 5: Solve for x
    x = 179,852,928,241,931,648/442,904,362.40
  6. Step 6: Final answer
    x = 406,076,217.60

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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.