Home / 903,447,082,693.52-1,246,779,331,450-491,938,121,013.96

Finding the Fourth Proportional to 903,447,082,693.52, 1,246,779,331,450 and 491,938,121,013.96

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Solution

The fourth proportional to 903,447,082,693.52, 1,246,779,331,450 and 491,938,121,013.96 is: 678,886,780,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,447,082,693.52 : 1,246,779,331,450 = 491,938,121,013.96 : x
  2. Step 2: Convert to fraction form
    903,447,082,693.52/1,246,779,331,450 = 491,938,121,013.96/x
  3. Step 3: Cross multiply
    903,447,082,693.52x = 1,246,779,331,450 × 491,938,121,013.96
  4. Step 4: Simplify right side
    903,447,082,693.52x = 613,338,281,632,554,243,063,808
  5. Step 5: Solve for x
    x = 613,338,281,632,554,243,063,808/903,447,082,693.52
  6. Step 6: Final answer
    x = 678,886,780,843.83

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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.