Home / 760,212,043.40-1,049,092,620.10-412,531,531.40

Finding the Fourth Proportional to 760,212,043.40, 1,049,092,620.10 and 412,531,531.40

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Solution

The fourth proportional to 760,212,043.40, 1,049,092,620.10 and 412,531,531.40 is: 569,293,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,212,043.40 : 1,049,092,620.10 = 412,531,531.40 : x
  2. Step 2: Convert to fraction form
    760,212,043.40/1,049,092,620.10 = 412,531,531.40/x
  3. Step 3: Cross multiply
    760,212,043.40x = 1,049,092,620.10 × 412,531,531.40
  4. Step 4: Simplify right side
    760,212,043.40x = 432,783,785,150,291,392
  5. Step 5: Solve for x
    x = 432,783,785,150,291,392/760,212,043.40
  6. Step 6: Final answer
    x = 569,293,513.44

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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.