Home / 675,341,487,709.20-931,971,253,038.95-386,309,747,097.88

Finding the Fourth Proportional to 675,341,487,709.20, 931,971,253,038.95 and 386,309,747,097.88

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Solution

The fourth proportional to 675,341,487,709.20, 931,971,253,038.95 and 386,309,747,097.88 is: 533,107,450,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,341,487,709.20 : 931,971,253,038.95 = 386,309,747,097.88 : x
  2. Step 2: Convert to fraction form
    675,341,487,709.20/931,971,253,038.95 = 386,309,747,097.88/x
  3. Step 3: Cross multiply
    675,341,487,709.20x = 931,971,253,038.95 × 386,309,747,097.88
  4. Step 4: Simplify right side
    675,341,487,709.20x = 360,029,579,063,971,117,268,992
  5. Step 5: Solve for x
    x = 360,029,579,063,971,117,268,992/675,341,487,709.20
  6. Step 6: Final answer
    x = 533,107,450,995.22

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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.