Home / 995,329,638.80-1,492,994,458.20-670,454,579.60

Finding the Fourth Proportional to 995,329,638.80, 1,492,994,458.20 and 670,454,579.60

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Solution

The fourth proportional to 995,329,638.80, 1,492,994,458.20 and 670,454,579.60 is: 1,005,681,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,329,638.80 : 1,492,994,458.20 = 670,454,579.60 : x
  2. Step 2: Convert to fraction form
    995,329,638.80/1,492,994,458.20 = 670,454,579.60/x
  3. Step 3: Cross multiply
    995,329,638.80x = 1,492,994,458.20 × 670,454,579.60
  4. Step 4: Simplify right side
    995,329,638.80x = 1,000,984,971,817,610,880
  5. Step 5: Solve for x
    x = 1,000,984,971,817,610,880/995,329,638.80
  6. Step 6: Final answer
    x = 1,005,681,869.40

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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.