Home / 841,456,616.38-1,262,125,062.29-259,130,140.63

Finding the Fourth Proportional to 841,456,616.38, 1,262,125,062.29 and 259,130,140.63

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Solution

The fourth proportional to 841,456,616.38, 1,262,125,062.29 and 259,130,140.63 is: 388,676,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,456,616.38 : 1,262,125,062.29 = 259,130,140.63 : x
  2. Step 2: Convert to fraction form
    841,456,616.38/1,262,125,062.29 = 259,130,140.63/x
  3. Step 3: Cross multiply
    841,456,616.38x = 1,262,125,062.29 × 259,130,140.63
  4. Step 4: Simplify right side
    841,456,616.38x = 327,054,644,881,347,712
  5. Step 5: Solve for x
    x = 327,054,644,881,347,712/841,456,616.38
  6. Step 6: Final answer
    x = 388,676,776.10

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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.