Home / 1,440,213,121.33-1,987,813,841.25-875,578,025.33

Finding the Fourth Proportional to 1,440,213,121.33, 1,987,813,841.25 and 875,578,025.33

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Solution

The fourth proportional to 1,440,213,121.33, 1,987,813,841.25 and 875,578,025.33 is: 1,208,492,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,213,121.33 : 1,987,813,841.25 = 875,578,025.33 : x
  2. Step 2: Convert to fraction form
    1,440,213,121.33/1,987,813,841.25 = 875,578,025.33/x
  3. Step 3: Cross multiply
    1,440,213,121.33x = 1,987,813,841.25 × 875,578,025.33
  4. Step 4: Simplify right side
    1,440,213,121.33x = 1,740,486,117,833,163,008
  5. Step 5: Solve for x
    x = 1,740,486,117,833,163,008/1,440,213,121.33
  6. Step 6: Final answer
    x = 1,208,492,057.22

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Double scale
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1.5x scale

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.