Home / 1,208,304,294.70-1,812,456,442.05-1,072,143,424.30

Finding the Fourth Proportional to 1,208,304,294.70, 1,812,456,442.05 and 1,072,143,424.30

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Solution

The fourth proportional to 1,208,304,294.70, 1,812,456,442.05 and 1,072,143,424.30 is: 1,608,215,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,304,294.70 : 1,812,456,442.05 = 1,072,143,424.30 : x
  2. Step 2: Convert to fraction form
    1,208,304,294.70/1,812,456,442.05 = 1,072,143,424.30/x
  3. Step 3: Cross multiply
    1,208,304,294.70x = 1,812,456,442.05 × 1,072,143,424.30
  4. Step 4: Simplify right side
    1,208,304,294.70x = 1,943,213,256,174,081,280
  5. Step 5: Solve for x
    x = 1,943,213,256,174,081,280/1,208,304,294.70
  6. Step 6: Final answer
    x = 1,608,215,136.45

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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.