Home / 2,475,363,980.40-3,711,770,512.20-921,855,649.20

Finding the Fourth Proportional to 2,475,363,980.40, 3,711,770,512.20 and 921,855,649.20

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Solution

The fourth proportional to 2,475,363,980.40, 3,711,770,512.20 and 921,855,649.20 is: 1,382,308,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,363,980.40 : 3,711,770,512.20 = 921,855,649.20 : x
  2. Step 2: Convert to fraction form
    2,475,363,980.40/3,711,770,512.20 = 921,855,649.20/x
  3. Step 3: Cross multiply
    2,475,363,980.40x = 3,711,770,512.20 × 921,855,649.20
  4. Step 4: Simplify right side
    2,475,363,980.40x = 3,421,716,615,205,547,520
  5. Step 5: Solve for x
    x = 3,421,716,615,205,547,520/2,475,363,980.40
  6. Step 6: Final answer
    x = 1,382,308,477.58

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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.