Home / 675,341,487,749.88-931,971,253,094.76-386,309,747,138.52

Finding the Fourth Proportional to 675,341,487,749.88, 931,971,253,094.76 and 386,309,747,138.52

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Solution

The fourth proportional to 675,341,487,749.88, 931,971,253,094.76 and 386,309,747,138.52 is: 533,107,451,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,341,487,749.88 : 931,971,253,094.76 = 386,309,747,138.52 : x
  2. Step 2: Convert to fraction form
    675,341,487,749.88/931,971,253,094.76 = 386,309,747,138.52/x
  3. Step 3: Cross multiply
    675,341,487,749.88x = 931,971,253,094.76 × 386,309,747,138.52
  4. Step 4: Simplify right side
    675,341,487,749.88x = 360,029,579,123,406,351,106,048
  5. Step 5: Solve for x
    x = 360,029,579,123,406,351,106,048/675,341,487,749.88
  6. Step 6: Final answer
    x = 533,107,451,051.12

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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.