Home / 1,381,809,547.60-1,906,894,410.84-787,093,806.64

Finding the Fourth Proportional to 1,381,809,547.60, 1,906,894,410.84 and 787,093,806.64

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Solution

The fourth proportional to 1,381,809,547.60, 1,906,894,410.84 and 787,093,806.64 is: 1,086,187,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,809,547.60 : 1,906,894,410.84 = 787,093,806.64 : x
  2. Step 2: Convert to fraction form
    1,381,809,547.60/1,906,894,410.84 = 787,093,806.64/x
  3. Step 3: Cross multiply
    1,381,809,547.60x = 1,906,894,410.84 × 787,093,806.64
  4. Step 4: Simplify right side
    1,381,809,547.60x = 1,500,904,780,688,595,712
  5. Step 5: Solve for x
    x = 1,500,904,780,688,595,712/1,381,809,547.60
  6. Step 6: Final answer
    x = 1,086,187,878.28

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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.