Home / 1,618,337,640.94-2,426,523,459.18-634,585,631.20

Finding the Fourth Proportional to 1,618,337,640.94, 2,426,523,459.18 and 634,585,631.20

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Solution

The fourth proportional to 1,618,337,640.94, 2,426,523,459.18 and 634,585,631.20 is: 951,492,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,337,640.94 : 2,426,523,459.18 = 634,585,631.20 : x
  2. Step 2: Convert to fraction form
    1,618,337,640.94/2,426,523,459.18 = 634,585,631.20/x
  3. Step 3: Cross multiply
    1,618,337,640.94x = 2,426,523,459.18 × 634,585,631.20
  4. Step 4: Simplify right side
    1,618,337,640.94x = 1,539,836,920,965,347,840
  5. Step 5: Solve for x
    x = 1,539,836,920,965,347,840/1,618,337,640.94
  6. Step 6: Final answer
    x = 951,492,990.10

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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.