Home / 804,357,885.90-1,110,106,881.30-469,914,009.90

Finding the Fourth Proportional to 804,357,885.90, 1,110,106,881.30 and 469,914,009.90

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Solution

The fourth proportional to 804,357,885.90, 1,110,106,881.30 and 469,914,009.90 is: 648,535,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,357,885.90 : 1,110,106,881.30 = 469,914,009.90 : x
  2. Step 2: Convert to fraction form
    804,357,885.90/1,110,106,881.30 = 469,914,009.90/x
  3. Step 3: Cross multiply
    804,357,885.90x = 1,110,106,881.30 × 469,914,009.90
  4. Step 4: Simplify right side
    804,357,885.90x = 521,654,776,009,266,304
  5. Step 5: Solve for x
    x = 521,654,776,009,266,304/804,357,885.90
  6. Step 6: Final answer
    x = 648,535,664.48

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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.