Home / 1,864,829,145.81-2,573,448,437.66-1,029,435,780.27

Finding the Fourth Proportional to 1,864,829,145.81, 2,573,448,437.66 and 1,029,435,780.27

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Solution

The fourth proportional to 1,864,829,145.81, 2,573,448,437.66 and 1,029,435,780.27 is: 1,420,612,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,829,145.81 : 2,573,448,437.66 = 1,029,435,780.27 : x
  2. Step 2: Convert to fraction form
    1,864,829,145.81/2,573,448,437.66 = 1,029,435,780.27/x
  3. Step 3: Cross multiply
    1,864,829,145.81x = 2,573,448,437.66 × 1,029,435,780.27
  4. Step 4: Simplify right side
    1,864,829,145.81x = 2,649,199,900,401,987,584
  5. Step 5: Solve for x
    x = 2,649,199,900,401,987,584/1,864,829,145.81
  6. Step 6: Final answer
    x = 1,420,612,663.82

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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.