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Finding the Fourth Proportional to 659,953,877, 989,924,512.62 and 401,240,525

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Solution

The fourth proportional to 659,953,877, 989,924,512.62 and 401,240,525 is: 601,856,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,953,877 : 989,924,512.62 = 401,240,525 : x
  2. Step 2: Convert to fraction form
    659,953,877/989,924,512.62 = 401,240,525/x
  3. Step 3: Cross multiply
    659,953,877x = 989,924,512.62 × 401,240,525
  4. Step 4: Simplify right side
    659,953,877x = 397,197,831,154,017,920
  5. Step 5: Solve for x
    x = 397,197,831,154,017,920/659,953,877
  6. Step 6: Final answer
    x = 601,856,955.46

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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.