Home / 454,019,547,979.31-681,029,977,418.25-185,408,528,172.48

Finding the Fourth Proportional to 454,019,547,979.31, 681,029,977,418.25 and 185,408,528,172.48

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Solution

The fourth proportional to 454,019,547,979.31, 681,029,977,418.25 and 185,408,528,172.48 is: 278,113,059,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,019,547,979.31 : 681,029,977,418.25 = 185,408,528,172.48 : x
  2. Step 2: Convert to fraction form
    454,019,547,979.31/681,029,977,418.25 = 185,408,528,172.48/x
  3. Step 3: Cross multiply
    454,019,547,979.31x = 681,029,977,418.25 × 185,408,528,172.48
  4. Step 4: Simplify right side
    454,019,547,979.31x = 126,268,765,754,455,035,478,016
  5. Step 5: Solve for x
    x = 126,268,765,754,455,035,478,016/454,019,547,979.31
  6. Step 6: Final answer
    x = 278,113,059,925.36

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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.