Home / 401,169,315.40-601,753,973.10-171,586,803.40

Finding the Fourth Proportional to 401,169,315.40, 601,753,973.10 and 171,586,803.40

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Solution

The fourth proportional to 401,169,315.40, 601,753,973.10 and 171,586,803.40 is: 257,380,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,169,315.40 : 601,753,973.10 = 171,586,803.40 : x
  2. Step 2: Convert to fraction form
    401,169,315.40/601,753,973.10 = 171,586,803.40/x
  3. Step 3: Cross multiply
    401,169,315.40x = 601,753,973.10 × 171,586,803.40
  4. Step 4: Simplify right side
    401,169,315.40x = 103,253,040,677,478,592
  5. Step 5: Solve for x
    x = 103,253,040,677,478,592/401,169,315.40
  6. Step 6: Final answer
    x = 257,380,205.10

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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.