Home / 1,105,181,658.44-1,525,142,792.21-603,390,425.70

Finding the Fourth Proportional to 1,105,181,658.44, 1,525,142,792.21 and 603,390,425.70

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Solution

The fourth proportional to 1,105,181,658.44, 1,525,142,792.21 and 603,390,425.70 is: 832,674,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,181,658.44 : 1,525,142,792.21 = 603,390,425.70 : x
  2. Step 2: Convert to fraction form
    1,105,181,658.44/1,525,142,792.21 = 603,390,425.70/x
  3. Step 3: Cross multiply
    1,105,181,658.44x = 1,525,142,792.21 × 603,390,425.70
  4. Step 4: Simplify right side
    1,105,181,658.44x = 920,256,558,642,419,072
  5. Step 5: Solve for x
    x = 920,256,558,642,419,072/1,105,181,658.44
  6. Step 6: Final answer
    x = 832,674,476.29

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Double scale
Find fourth proportional to 1,105,181,659.44, 1,525,142,793.59 and 603,390,426.70
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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.