Home / 828,633,673,069.47-1,143,502,299,141.10-462,833,214,725.31

Finding the Fourth Proportional to 828,633,673,069.47, 1,143,502,299,141.10 and 462,833,214,725.31

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Solution

The fourth proportional to 828,633,673,069.47, 1,143,502,299,141.10 and 462,833,214,725.31 is: 638,703,038,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,633,673,069.47 : 1,143,502,299,141.10 = 462,833,214,725.31 : x
  2. Step 2: Convert to fraction form
    828,633,673,069.47/1,143,502,299,141.10 = 462,833,214,725.31/x
  3. Step 3: Cross multiply
    828,633,673,069.47x = 1,143,502,299,141.10 × 462,833,214,725.31
  4. Step 4: Simplify right side
    828,633,673,069.47x = 529,250,845,157,258,424,221,696
  5. Step 5: Solve for x
    x = 529,250,845,157,258,424,221,696/828,633,673,069.47
  6. Step 6: Final answer
    x = 638,703,038,939.73

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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.