Home / 454,019,547,920.35-681,029,977,329.80-185,408,528,113.58

Finding the Fourth Proportional to 454,019,547,920.35, 681,029,977,329.80 and 185,408,528,113.58

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Solution

The fourth proportional to 454,019,547,920.35, 681,029,977,329.80 and 185,408,528,113.58 is: 278,113,059,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,019,547,920.35 : 681,029,977,329.80 = 185,408,528,113.58 : x
  2. Step 2: Convert to fraction form
    454,019,547,920.35/681,029,977,329.80 = 185,408,528,113.58/x
  3. Step 3: Cross multiply
    454,019,547,920.35x = 681,029,977,329.80 × 185,408,528,113.58
  4. Step 4: Simplify right side
    454,019,547,920.35x = 126,268,765,697,942,979,870,720
  5. Step 5: Solve for x
    x = 126,268,765,697,942,979,870,720/454,019,547,920.35
  6. Step 6: Final answer
    x = 278,113,059,837.01

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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.