Home / 1,500,841,282.21-2,071,161,165.89-831,829,519.73

Finding the Fourth Proportional to 1,500,841,282.21, 2,071,161,165.89 and 831,829,519.73

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Solution

The fourth proportional to 1,500,841,282.21, 2,071,161,165.89 and 831,829,519.73 is: 1,147,924,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,841,282.21 : 2,071,161,165.89 = 831,829,519.73 : x
  2. Step 2: Convert to fraction form
    1,500,841,282.21/2,071,161,165.89 = 831,829,519.73/x
  3. Step 3: Cross multiply
    1,500,841,282.21x = 2,071,161,165.89 × 831,829,519.73
  4. Step 4: Simplify right side
    1,500,841,282.21x = 1,722,852,997,905,705,728
  5. Step 5: Solve for x
    x = 1,722,852,997,905,705,728/1,500,841,282.21
  6. Step 6: Final answer
    x = 1,147,924,846.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.