Home / 401,447,056.50-602,170,620.27-142,672,490.46

Finding the Fourth Proportional to 401,447,056.50, 602,170,620.27 and 142,672,490.46

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Solution

The fourth proportional to 401,447,056.50, 602,170,620.27 and 142,672,490.46 is: 214,008,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,447,056.50 : 602,170,620.27 = 142,672,490.46 : x
  2. Step 2: Convert to fraction form
    401,447,056.50/602,170,620.27 = 142,672,490.46/x
  3. Step 3: Cross multiply
    401,447,056.50x = 602,170,620.27 × 142,672,490.46
  4. Step 4: Simplify right side
    401,447,056.50x = 85,913,182,075,763,856
  5. Step 5: Solve for x
    x = 85,913,182,075,763,856/401,447,056.50
  6. Step 6: Final answer
    x = 214,008,748.31

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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.