Home / 1,099,674,864,949.20-1,517,683,423,983.70-666,114,532,779.12

Finding the Fourth Proportional to 1,099,674,864,949.20, 1,517,683,423,983.70 and 666,114,532,779.12

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Solution

The fourth proportional to 1,099,674,864,949.20, 1,517,683,423,983.70 and 666,114,532,779.12 is: 919,318,079,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,674,864,949.20 : 1,517,683,423,983.70 = 666,114,532,779.12 : x
  2. Step 2: Convert to fraction form
    1,099,674,864,949.20/1,517,683,423,983.70 = 666,114,532,779.12/x
  3. Step 3: Cross multiply
    1,099,674,864,949.20x = 1,517,683,423,983.70 × 666,114,532,779.12
  4. Step 4: Simplify right side
    1,099,674,864,949.20x = 1,010,950,984,873,517,372,145,664
  5. Step 5: Solve for x
    x = 1,010,950,984,873,517,372,145,664/1,099,674,864,949.20
  6. Step 6: Final answer
    x = 919,318,079,458.17

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Double scale
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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.