Home / 343,297,330.60-514,945,995.90-127,841,996.20

Finding the Fourth Proportional to 343,297,330.60, 514,945,995.90 and 127,841,996.20

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Solution

The fourth proportional to 343,297,330.60, 514,945,995.90 and 127,841,996.20 is: 191,762,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297,330.60 : 514,945,995.90 = 127,841,996.20 : x
  2. Step 2: Convert to fraction form
    343,297,330.60/514,945,995.90 = 127,841,996.20/x
  3. Step 3: Cross multiply
    343,297,330.60x = 514,945,995.90 × 127,841,996.20
  4. Step 4: Simplify right side
    343,297,330.60x = 65,831,724,051,053,016
  5. Step 5: Solve for x
    x = 65,831,724,051,053,016/343,297,330.60
  6. Step 6: Final answer
    x = 191,762,994.30

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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.