Home / 472,146,331.60-708,219,497.40-342,144,053.20

Finding the Fourth Proportional to 472,146,331.60, 708,219,497.40 and 342,144,053.20

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Solution

The fourth proportional to 472,146,331.60, 708,219,497.40 and 342,144,053.20 is: 513,216,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,146,331.60 : 708,219,497.40 = 342,144,053.20 : x
  2. Step 2: Convert to fraction form
    472,146,331.60/708,219,497.40 = 342,144,053.20/x
  3. Step 3: Cross multiply
    472,146,331.60x = 708,219,497.40 × 342,144,053.20
  4. Step 4: Simplify right side
    472,146,331.60x = 242,313,089,395,702,848
  5. Step 5: Solve for x
    x = 242,313,089,395,702,848/472,146,331.60
  6. Step 6: Final answer
    x = 513,216,079.80

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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.