Home / 400,838,652,148.20-601,257,978,222.30-135,843,037,672.20

Finding the Fourth Proportional to 400,838,652,148.20, 601,257,978,222.30 and 135,843,037,672.20

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Solution

The fourth proportional to 400,838,652,148.20, 601,257,978,222.30 and 135,843,037,672.20 is: 203,764,556,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,838,652,148.20 : 601,257,978,222.30 = 135,843,037,672.20 : x
  2. Step 2: Convert to fraction form
    400,838,652,148.20/601,257,978,222.30 = 135,843,037,672.20/x
  3. Step 3: Cross multiply
    400,838,652,148.20x = 601,257,978,222.30 × 135,843,037,672.20
  4. Step 4: Simplify right side
    400,838,652,148.20x = 81,676,710,186,362,704,232,448
  5. Step 5: Solve for x
    x = 81,676,710,186,362,704,232,448/400,838,652,148.20
  6. Step 6: Final answer
    x = 203,764,556,508.30

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1.5x scale

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.