Home / 760,212,042.40-1,049,092,618.72-412,531,530.40

Finding the Fourth Proportional to 760,212,042.40, 1,049,092,618.72 and 412,531,530.40

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Solution

The fourth proportional to 760,212,042.40, 1,049,092,618.72 and 412,531,530.40 is: 569,293,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,212,042.40 : 1,049,092,618.72 = 412,531,530.40 : x
  2. Step 2: Convert to fraction form
    760,212,042.40/1,049,092,618.72 = 412,531,530.40/x
  3. Step 3: Cross multiply
    760,212,042.40x = 1,049,092,618.72 × 412,531,530.40
  4. Step 4: Simplify right side
    760,212,042.40x = 432,783,783,531,905,280
  5. Step 5: Solve for x
    x = 432,783,783,531,905,280/760,212,042.40
  6. Step 6: Final answer
    x = 569,293,512.06

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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.