Home / 843,936,195.20-1,264,896,523.20-352,648,515.20

Finding the Fourth Proportional to 843,936,195.20, 1,264,896,523.20 and 352,648,515.20

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Solution

The fourth proportional to 843,936,195.20, 1,264,896,523.20 and 352,648,515.20 is: 528,551,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,936,195.20 : 1,264,896,523.20 = 352,648,515.20 : x
  2. Step 2: Convert to fraction form
    843,936,195.20/1,264,896,523.20 = 352,648,515.20/x
  3. Step 3: Cross multiply
    843,936,195.20x = 1,264,896,523.20 × 352,648,515.20
  4. Step 4: Simplify right side
    843,936,195.20x = 446,063,880,788,122,368
  5. Step 5: Solve for x
    x = 446,063,880,788,122,368/843,936,195.20
  6. Step 6: Final answer
    x = 528,551,664.60

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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.