Home / 1,078,567,681.29-1,489,451,362.08-1,019,808,062.88

Finding the Fourth Proportional to 1,078,567,681.29, 1,489,451,362.08 and 1,019,808,062.88

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Solution

The fourth proportional to 1,078,567,681.29, 1,489,451,362.08 and 1,019,808,062.88 is: 1,408,307,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,567,681.29 : 1,489,451,362.08 = 1,019,808,062.88 : x
  2. Step 2: Convert to fraction form
    1,078,567,681.29/1,489,451,362.08 = 1,019,808,062.88/x
  3. Step 3: Cross multiply
    1,078,567,681.29x = 1,489,451,362.08 × 1,019,808,062.88
  4. Step 4: Simplify right side
    1,078,567,681.29x = 1,518,954,508,316,782,080
  5. Step 5: Solve for x
    x = 1,518,954,508,316,782,080/1,078,567,681.29
  6. Step 6: Final answer
    x = 1,408,307,086.02

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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.