Home / 755,887,965-1,043,125,406.28-408,207,453

Finding the Fourth Proportional to 755,887,965, 1,043,125,406.28 and 408,207,453

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Solution

The fourth proportional to 755,887,965, 1,043,125,406.28 and 408,207,453 is: 563,326,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,887,965 : 1,043,125,406.28 = 408,207,453 : x
  2. Step 2: Convert to fraction form
    755,887,965/1,043,125,406.28 = 408,207,453/x
  3. Step 3: Cross multiply
    755,887,965x = 1,043,125,406.28 × 408,207,453
  4. Step 4: Simplify right side
    755,887,965x = 425,811,565,257,148,992
  5. Step 5: Solve for x
    x = 425,811,565,257,148,992/755,887,965
  6. Step 6: Final answer
    x = 563,326,293.01

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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.