Home / 452,403,815.54-678,612,492.45-172,300,199.40

Finding the Fourth Proportional to 452,403,815.54, 678,612,492.45 and 172,300,199.40

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Solution

The fourth proportional to 452,403,815.54, 678,612,492.45 and 172,300,199.40 is: 258,452,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,403,815.54 : 678,612,492.45 = 172,300,199.40 : x
  2. Step 2: Convert to fraction form
    452,403,815.54/678,612,492.45 = 172,300,199.40/x
  3. Step 3: Cross multiply
    452,403,815.54x = 678,612,492.45 × 172,300,199.40
  4. Step 4: Simplify right side
    452,403,815.54x = 116,925,067,764,466,000
  5. Step 5: Solve for x
    x = 116,925,067,764,466,000/452,403,815.54
  6. Step 6: Final answer
    x = 258,452,877.16

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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.