Home / 830,308,589.11-1,145,836,721.12-453,965,614.14

Finding the Fourth Proportional to 830,308,589.11, 1,145,836,721.12 and 453,965,614.14

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Solution

The fourth proportional to 830,308,589.11, 1,145,836,721.12 and 453,965,614.14 is: 626,478,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,308,589.11 : 1,145,836,721.12 = 453,965,614.14 : x
  2. Step 2: Convert to fraction form
    830,308,589.11/1,145,836,721.12 = 453,965,614.14/x
  3. Step 3: Cross multiply
    830,308,589.11x = 1,145,836,721.12 × 453,965,614.14
  4. Step 4: Simplify right side
    830,308,589.11x = 520,170,470,807,404,672
  5. Step 5: Solve for x
    x = 520,170,470,807,404,672/830,308,589.11
  6. Step 6: Final answer
    x = 626,478,489.60

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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.