Home / 1,509,912,171.60-2,264,868,257.40-419,405,931.60

Finding the Fourth Proportional to 1,509,912,171.60, 2,264,868,257.40 and 419,405,931.60

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Solution

The fourth proportional to 1,509,912,171.60, 2,264,868,257.40 and 419,405,931.60 is: 629,108,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,912,171.60 : 2,264,868,257.40 = 419,405,931.60 : x
  2. Step 2: Convert to fraction form
    1,509,912,171.60/2,264,868,257.40 = 419,405,931.60/x
  3. Step 3: Cross multiply
    1,509,912,171.60x = 2,264,868,257.40 × 419,405,931.60
  4. Step 4: Simplify right side
    1,509,912,171.60x = 949,899,181,446,115,712
  5. Step 5: Solve for x
    x = 949,899,181,446,115,712/1,509,912,171.60
  6. Step 6: Final answer
    x = 629,108,897.40

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Double scale
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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.