Home / 673,918,101.27-1,010,985,775.74-207,579,308.34

Finding the Fourth Proportional to 673,918,101.27, 1,010,985,775.74 and 207,579,308.34

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Solution

The fourth proportional to 673,918,101.27, 1,010,985,775.74 and 207,579,308.34 is: 311,402,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,918,101.27 : 1,010,985,775.74 = 207,579,308.34 : x
  2. Step 2: Convert to fraction form
    673,918,101.27/1,010,985,775.74 = 207,579,308.34/x
  3. Step 3: Cross multiply
    673,918,101.27x = 1,010,985,775.74 × 207,579,308.34
  4. Step 4: Simplify right side
    673,918,101.27x = 209,859,728,069,687,552
  5. Step 5: Solve for x
    x = 209,859,728,069,687,552/673,918,101.27
  6. Step 6: Final answer
    x = 311,402,420.67

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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.