Home / 410,431,470,920.66-615,749,749,195.18-289,655,842,384.66

Finding the Fourth Proportional to 410,431,470,920.66, 615,749,749,195.18 and 289,655,842,384.66

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Solution

The fourth proportional to 410,431,470,920.66, 615,749,749,195.18 and 289,655,842,384.66 is: 434,556,131,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,431,470,920.66 : 615,749,749,195.18 = 289,655,842,384.66 : x
  2. Step 2: Convert to fraction form
    410,431,470,920.66/615,749,749,195.18 = 289,655,842,384.66/x
  3. Step 3: Cross multiply
    410,431,470,920.66x = 615,749,749,195.18 × 289,655,842,384.66
  4. Step 4: Simplify right side
    410,431,470,920.66x = 178,355,512,301,272,998,871,040
  5. Step 5: Solve for x
    x = 178,355,512,301,272,998,871,040/410,431,470,920.66
  6. Step 6: Final answer
    x = 434,556,131,627.03

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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.