Home / 758,887,953,732.78-1,138,290,030,109.40-554,890,189,008.21

Finding the Fourth Proportional to 758,887,953,732.78, 1,138,290,030,109.40 and 554,890,189,008.21

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Solution

The fourth proportional to 758,887,953,732.78, 1,138,290,030,109.40 and 554,890,189,008.21 is: 832,304,646,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,887,953,732.78 : 1,138,290,030,109.40 = 554,890,189,008.21 : x
  2. Step 2: Convert to fraction form
    758,887,953,732.78/1,138,290,030,109.40 = 554,890,189,008.21/x
  3. Step 3: Cross multiply
    758,887,953,732.78x = 1,138,290,030,109.40 × 554,890,189,008.21
  4. Step 4: Simplify right side
    758,887,953,732.78x = 631,625,969,953,565,906,567,168
  5. Step 5: Solve for x
    x = 631,625,969,953,565,906,567,168/758,887,953,732.78
  6. Step 6: Final answer
    x = 832,304,646,353.60

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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.