Home / 1,154,750,680.70-1,732,140,192.81-763,780,165.82

Finding the Fourth Proportional to 1,154,750,680.70, 1,732,140,192.81 and 763,780,165.82

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Solution

The fourth proportional to 1,154,750,680.70, 1,732,140,192.81 and 763,780,165.82 is: 1,145,679,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,750,680.70 : 1,732,140,192.81 = 763,780,165.82 : x
  2. Step 2: Convert to fraction form
    1,154,750,680.70/1,732,140,192.81 = 763,780,165.82/x
  3. Step 3: Cross multiply
    1,154,750,680.70x = 1,732,140,192.81 × 763,780,165.82
  4. Step 4: Simplify right side
    1,154,750,680.70x = 1,322,974,323,687,908,608
  5. Step 5: Solve for x
    x = 1,322,974,323,687,908,608/1,154,750,680.70
  6. Step 6: Final answer
    x = 1,145,679,622.28

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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.