Home / 859,111,034.11-1,288,139,160.21-333,866,848.03

Finding the Fourth Proportional to 859,111,034.11, 1,288,139,160.21 and 333,866,848.03

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Solution

The fourth proportional to 859,111,034.11, 1,288,139,160.21 and 333,866,848.03 is: 500,595,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,111,034.11 : 1,288,139,160.21 = 333,866,848.03 : x
  2. Step 2: Convert to fraction form
    859,111,034.11/1,288,139,160.21 = 333,866,848.03/x
  3. Step 3: Cross multiply
    859,111,034.11x = 1,288,139,160.21 × 333,866,848.03
  4. Step 4: Simplify right side
    859,111,034.11x = 430,066,961,241,654,528
  5. Step 5: Solve for x
    x = 430,066,961,241,654,528/859,111,034.11
  6. Step 6: Final answer
    x = 500,595,317.91

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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.