Home / 1,285,956,603.40-1,928,934,905.10-467,962,616.20

Finding the Fourth Proportional to 1,285,956,603.40, 1,928,934,905.10 and 467,962,616.20

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Solution

The fourth proportional to 1,285,956,603.40, 1,928,934,905.10 and 467,962,616.20 is: 701,943,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,956,603.40 : 1,928,934,905.10 = 467,962,616.20 : x
  2. Step 2: Convert to fraction form
    1,285,956,603.40/1,928,934,905.10 = 467,962,616.20/x
  3. Step 3: Cross multiply
    1,285,956,603.40x = 1,928,934,905.10 × 467,962,616.20
  4. Step 4: Simplify right side
    1,285,956,603.40x = 902,669,424,670,094,592
  5. Step 5: Solve for x
    x = 902,669,424,670,094,592/1,285,956,603.40
  6. Step 6: Final answer
    x = 701,943,924.30

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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.