Home / 1,917,050,917.37-2,877,344,042.49-972,312,053.90

Finding the Fourth Proportional to 1,917,050,917.37, 2,877,344,042.49 and 972,312,053.90

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Solution

The fourth proportional to 1,917,050,917.37, 2,877,344,042.49 and 972,312,053.90 is: 1,459,364,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,050,917.37 : 2,877,344,042.49 = 972,312,053.90 : x
  2. Step 2: Convert to fraction form
    1,917,050,917.37/2,877,344,042.49 = 972,312,053.90/x
  3. Step 3: Cross multiply
    1,917,050,917.37x = 2,877,344,042.49 × 972,312,053.90
  4. Step 4: Simplify right side
    1,917,050,917.37x = 2,797,676,295,715,993,600
  5. Step 5: Solve for x
    x = 2,797,676,295,715,993,600/1,917,050,917.37
  6. Step 6: Final answer
    x = 1,459,364,626.35

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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.