Home / 995,333,959.20-1,493,000,938.80-450,093,280.80

Finding the Fourth Proportional to 995,333,959.20, 1,493,000,938.80 and 450,093,280.80

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Solution

The fourth proportional to 995,333,959.20, 1,493,000,938.80 and 450,093,280.80 is: 675,139,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,333,959.20 : 1,493,000,938.80 = 450,093,280.80 : x
  2. Step 2: Convert to fraction form
    995,333,959.20/1,493,000,938.80 = 450,093,280.80/x
  3. Step 3: Cross multiply
    995,333,959.20x = 1,493,000,938.80 × 450,093,280.80
  4. Step 4: Simplify right side
    995,333,959.20x = 671,989,690,781,971,968
  5. Step 5: Solve for x
    x = 671,989,690,781,971,968/995,333,959.20
  6. Step 6: Final answer
    x = 675,139,921.20

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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.