Home / 2,813,611,948.75-4,215,090,816.35-1,878,113,994.49

Finding the Fourth Proportional to 2,813,611,948.75, 4,215,090,816.35 and 1,878,113,994.49

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Solution

The fourth proportional to 2,813,611,948.75, 4,215,090,816.35 and 1,878,113,994.49 is: 2,813,615,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,611,948.75 : 4,215,090,816.35 = 1,878,113,994.49 : x
  2. Step 2: Convert to fraction form
    2,813,611,948.75/4,215,090,816.35 = 1,878,113,994.49/x
  3. Step 3: Cross multiply
    2,813,611,948.75x = 4,215,090,816.35 × 1,878,113,994.49
  4. Step 4: Simplify right side
    2,813,611,948.75x = 7,916,421,050,202,746,880
  5. Step 5: Solve for x
    x = 7,916,421,050,202,746,880/2,813,611,948.75
  6. Step 6: Final answer
    x = 2,813,615,094.91

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1.5x scale

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.