Home / 487,796,918,319.75-673,177,914,386.49-292,511,994,499.01

Finding the Fourth Proportional to 487,796,918,319.75, 673,177,914,386.49 and 292,511,994,499.01

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Solution

The fourth proportional to 487,796,918,319.75, 673,177,914,386.49 and 292,511,994,499.01 is: 403,677,446,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,796,918,319.75 : 673,177,914,386.49 = 292,511,994,499.01 : x
  2. Step 2: Convert to fraction form
    487,796,918,319.75/673,177,914,386.49 = 292,511,994,499.01/x
  3. Step 3: Cross multiply
    487,796,918,319.75x = 673,177,914,386.49 × 292,511,994,499.01
  4. Step 4: Simplify right side
    487,796,918,319.75x = 196,912,614,389,875,977,748,480
  5. Step 5: Solve for x
    x = 196,912,614,389,875,977,748,480/487,796,918,319.75
  6. Step 6: Final answer
    x = 403,677,446,483.58

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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.