Home / 841,456,587.13-1,262,125,018.35-259,130,111.38

Finding the Fourth Proportional to 841,456,587.13, 1,262,125,018.35 and 259,130,111.38

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Solution

The fourth proportional to 841,456,587.13, 1,262,125,018.35 and 259,130,111.38 is: 388,676,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,456,587.13 : 1,262,125,018.35 = 259,130,111.38 : x
  2. Step 2: Convert to fraction form
    841,456,587.13/1,262,125,018.35 = 259,130,111.38/x
  3. Step 3: Cross multiply
    841,456,587.13x = 1,262,125,018.35 × 259,130,111.38
  4. Step 4: Simplify right side
    841,456,587.13x = 327,054,596,577,364,672
  5. Step 5: Solve for x
    x = 327,054,596,577,364,672/841,456,587.13
  6. Step 6: Final answer
    x = 388,676,732.21

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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.