Home / 915,902,778,764.34-1,374,481,725,422.70-319,662,646,047.54

Finding the Fourth Proportional to 915,902,778,764.34, 1,374,481,725,422.70 and 319,662,646,047.54

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Solution

The fourth proportional to 915,902,778,764.34, 1,374,481,725,422.70 and 319,662,646,047.54 is: 479,712,995,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,902,778,764.34 : 1,374,481,725,422.70 = 319,662,646,047.54 : x
  2. Step 2: Convert to fraction form
    915,902,778,764.34/1,374,481,725,422.70 = 319,662,646,047.54/x
  3. Step 3: Cross multiply
    915,902,778,764.34x = 1,374,481,725,422.70 × 319,662,646,047.54
  4. Step 4: Simplify right side
    915,902,778,764.34x = 439,370,465,292,608,547,586,048
  5. Step 5: Solve for x
    x = 439,370,465,292,608,547,586,048/915,902,778,764.34
  6. Step 6: Final answer
    x = 479,712,995,177.69

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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.