Home / 1,234,926,440.70-1,852,389,661.05-622,706,408.70

Finding the Fourth Proportional to 1,234,926,440.70, 1,852,389,661.05 and 622,706,408.70

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Solution

The fourth proportional to 1,234,926,440.70, 1,852,389,661.05 and 622,706,408.70 is: 934,059,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,926,440.70 : 1,852,389,661.05 = 622,706,408.70 : x
  2. Step 2: Convert to fraction form
    1,234,926,440.70/1,852,389,661.05 = 622,706,408.70/x
  3. Step 3: Cross multiply
    1,234,926,440.70x = 1,852,389,661.05 × 622,706,408.70
  4. Step 4: Simplify right side
    1,234,926,440.70x = 1,153,494,913,345,455,872
  5. Step 5: Solve for x
    x = 1,153,494,913,345,455,872/1,234,926,440.70
  6. Step 6: Final answer
    x = 934,059,613.05

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Half scale
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Double scale
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Similar ratio
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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.