Home / 304,585,387,143.60-420,331,643,096.02-167,423,188,678.72

Finding the Fourth Proportional to 304,585,387,143.60, 420,331,643,096.02 and 167,423,188,678.72

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Solution

The fourth proportional to 304,585,387,143.60, 420,331,643,096.02 and 167,423,188,678.72 is: 231,046,094,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,585,387,143.60 : 420,331,643,096.02 = 167,423,188,678.72 : x
  2. Step 2: Convert to fraction form
    304,585,387,143.60/420,331,643,096.02 = 167,423,188,678.72/x
  3. Step 3: Cross multiply
    304,585,387,143.60x = 420,331,643,096.02 × 167,423,188,678.72
  4. Step 4: Simplify right side
    304,585,387,143.60x = 70,373,263,989,701,353,668,608
  5. Step 5: Solve for x
    x = 70,373,263,989,701,353,668,608/304,585,387,143.60
  6. Step 6: Final answer
    x = 231,046,094,002.28

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1.5x scale

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.