Home / 5,718,650,689.91-8,573,063,207.28-1,987,457,320.35

Finding the Fourth Proportional to 5,718,650,689.91, 8,573,063,207.28 and 1,987,457,320.35

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Solution

The fourth proportional to 5,718,650,689.91, 8,573,063,207.28 and 1,987,457,320.35 is: 2,979,478,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,650,689.91 : 8,573,063,207.28 = 1,987,457,320.35 : x
  2. Step 2: Convert to fraction form
    5,718,650,689.91/8,573,063,207.28 = 1,987,457,320.35/x
  3. Step 3: Cross multiply
    5,718,650,689.91x = 8,573,063,207.28 × 1,987,457,320.35
  4. Step 4: Simplify right side
    5,718,650,689.91x = 17,038,597,229,131,884,544
  5. Step 5: Solve for x
    x = 17,038,597,229,131,884,544/5,718,650,689.91
  6. Step 6: Final answer
    x = 2,979,478,578.61

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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.