Home / 1,091,925,270.80-1,637,887,906.20-354,993,750.80

Finding the Fourth Proportional to 1,091,925,270.80, 1,637,887,906.20 and 354,993,750.80

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Solution

The fourth proportional to 1,091,925,270.80, 1,637,887,906.20 and 354,993,750.80 is: 532,490,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,925,270.80 : 1,637,887,906.20 = 354,993,750.80 : x
  2. Step 2: Convert to fraction form
    1,091,925,270.80/1,637,887,906.20 = 354,993,750.80/x
  3. Step 3: Cross multiply
    1,091,925,270.80x = 1,637,887,906.20 × 354,993,750.80
  4. Step 4: Simplify right side
    1,091,925,270.80x = 581,439,971,211,896,576
  5. Step 5: Solve for x
    x = 581,439,971,211,896,576/1,091,925,270.80
  6. Step 6: Final answer
    x = 532,490,626.20

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Double scale
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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.