Home / 410,431,470,909.47-615,749,749,178.35-289,655,842,373.45

Finding the Fourth Proportional to 410,431,470,909.47, 615,749,749,178.35 and 289,655,842,373.45

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Solution

The fourth proportional to 410,431,470,909.47, 615,749,749,178.35 and 289,655,842,373.45 is: 434,556,131,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,431,470,909.47 : 615,749,749,178.35 = 289,655,842,373.45 : x
  2. Step 2: Convert to fraction form
    410,431,470,909.47/615,749,749,178.35 = 289,655,842,373.45/x
  3. Step 3: Cross multiply
    410,431,470,909.47x = 615,749,749,178.35 × 289,655,842,373.45
  4. Step 4: Simplify right side
    410,431,470,909.47x = 178,355,512,289,495,527,456,768
  5. Step 5: Solve for x
    x = 178,355,512,289,495,527,456,768/410,431,470,909.47
  6. Step 6: Final answer
    x = 434,556,131,610.18

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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.