Home / 781,972,539,419.20-1,172,325,830,433.10-244,473,827,803.80

Finding the Fourth Proportional to 781,972,539,419.20, 1,172,325,830,433.10 and 244,473,827,803.80

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Solution

The fourth proportional to 781,972,539,419.20, 1,172,325,830,433.10 and 244,473,827,803.80 is: 366,512,848,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,972,539,419.20 : 1,172,325,830,433.10 = 244,473,827,803.80 : x
  2. Step 2: Convert to fraction form
    781,972,539,419.20/1,172,325,830,433.10 = 244,473,827,803.80/x
  3. Step 3: Cross multiply
    781,972,539,419.20x = 1,172,325,830,433.10 × 244,473,827,803.80
  4. Step 4: Simplify right side
    781,972,539,419.20x = 286,602,983,199,248,530,538,496
  5. Step 5: Solve for x
    x = 286,602,983,199,248,530,538,496/781,972,539,419.20
  6. Step 6: Final answer
    x = 366,512,848,919.37

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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.