Home / 1,681,645,587.64-2,522,459,205.80-685,662,709.32

Finding the Fourth Proportional to 1,681,645,587.64, 2,522,459,205.80 and 685,662,709.32

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Solution

The fourth proportional to 1,681,645,587.64, 2,522,459,205.80 and 685,662,709.32 is: 1,028,490,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,645,587.64 : 2,522,459,205.80 = 685,662,709.32 : x
  2. Step 2: Convert to fraction form
    1,681,645,587.64/2,522,459,205.80 = 685,662,709.32/x
  3. Step 3: Cross multiply
    1,681,645,587.64x = 2,522,459,205.80 × 685,662,709.32
  4. Step 4: Simplify right side
    1,681,645,587.64x = 1,729,556,213,199,237,632
  5. Step 5: Solve for x
    x = 1,729,556,213,199,237,632/1,681,645,587.64
  6. Step 6: Final answer
    x = 1,028,490,322.76

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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.