Home / 885,276,560.40-1,328,292,754.20-424,977,795.60

Finding the Fourth Proportional to 885,276,560.40, 1,328,292,754.20 and 424,977,795.60

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Solution

The fourth proportional to 885,276,560.40, 1,328,292,754.20 and 424,977,795.60 is: 637,648,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,276,560.40 : 1,328,292,754.20 = 424,977,795.60 : x
  2. Step 2: Convert to fraction form
    885,276,560.40/1,328,292,754.20 = 424,977,795.60/x
  3. Step 3: Cross multiply
    885,276,560.40x = 1,328,292,754.20 × 424,977,795.60
  4. Step 4: Simplify right side
    885,276,560.40x = 564,494,926,591,368,704
  5. Step 5: Solve for x
    x = 564,494,926,591,368,704/885,276,560.40
  6. Step 6: Final answer
    x = 637,648,111.16

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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.