Home / 1,211,732,896.34-1,672,119,330.95-703,056,203.47

Finding the Fourth Proportional to 1,211,732,896.34, 1,672,119,330.95 and 703,056,203.47

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Solution

The fourth proportional to 1,211,732,896.34, 1,672,119,330.95 and 703,056,203.47 is: 970,175,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,732,896.34 : 1,672,119,330.95 = 703,056,203.47 : x
  2. Step 2: Convert to fraction form
    1,211,732,896.34/1,672,119,330.95 = 703,056,203.47/x
  3. Step 3: Cross multiply
    1,211,732,896.34x = 1,672,119,330.95 × 703,056,203.47
  4. Step 4: Simplify right side
    1,211,732,896.34x = 1,175,593,868,566,343,936
  5. Step 5: Solve for x
    x = 1,175,593,868,566,343,936/1,211,732,896.34
  6. Step 6: Final answer
    x = 970,175,747.57

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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.