Home / 448,235,913.84-672,483,820.68-185,871,749.28

Finding the Fourth Proportional to 448,235,913.84, 672,483,820.68 and 185,871,749.28

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Solution

The fourth proportional to 448,235,913.84, 672,483,820.68 and 185,871,749.28 is: 278,861,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,235,913.84 : 672,483,820.68 = 185,871,749.28 : x
  2. Step 2: Convert to fraction form
    448,235,913.84/672,483,820.68 = 185,871,749.28/x
  3. Step 3: Cross multiply
    448,235,913.84x = 672,483,820.68 × 185,871,749.28
  4. Step 4: Simplify right side
    448,235,913.84x = 124,995,744,112,289,424
  5. Step 5: Solve for x
    x = 124,995,744,112,289,424/448,235,913.84
  6. Step 6: Final answer
    x = 278,861,510.76

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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.