Home / 1,152,058,000.40-1,728,087,000.60-290,414,992.40

Finding the Fourth Proportional to 1,152,058,000.40, 1,728,087,000.60 and 290,414,992.40

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Solution

The fourth proportional to 1,152,058,000.40, 1,728,087,000.60 and 290,414,992.40 is: 435,622,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,058,000.40 : 1,728,087,000.60 = 290,414,992.40 : x
  2. Step 2: Convert to fraction form
    1,152,058,000.40/1,728,087,000.60 = 290,414,992.40/x
  3. Step 3: Cross multiply
    1,152,058,000.40x = 1,728,087,000.60 × 290,414,992.40
  4. Step 4: Simplify right side
    1,152,058,000.40x = 501,862,373,145,787,712
  5. Step 5: Solve for x
    x = 501,862,373,145,787,712/1,152,058,000.40
  6. Step 6: Final answer
    x = 435,622,488.60

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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.