Home / 1,105,071,154.80-1,524,990,435.79-603,279,938.44

Finding the Fourth Proportional to 1,105,071,154.80, 1,524,990,435.79 and 603,279,938.44

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Solution

The fourth proportional to 1,105,071,154.80, 1,524,990,435.79 and 603,279,938.44 is: 832,522,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,071,154.80 : 1,524,990,435.79 = 603,279,938.44 : x
  2. Step 2: Convert to fraction form
    1,105,071,154.80/1,524,990,435.79 = 603,279,938.44/x
  3. Step 3: Cross multiply
    1,105,071,154.80x = 1,524,990,435.79 × 603,279,938.44
  4. Step 4: Simplify right side
    1,105,071,154.80x = 919,996,136,227,812,736
  5. Step 5: Solve for x
    x = 919,996,136,227,812,736/1,105,071,154.80
  6. Step 6: Final answer
    x = 832,522,079.89

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Half scale
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Double scale
Find fourth proportional to 1,105,071,155.80, 1,524,990,437.17 and 603,279,939.44
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.