Home / 1,786,430,533.40-2,679,773,786.94-476,325,723.16

Finding the Fourth Proportional to 1,786,430,533.40, 2,679,773,786.94 and 476,325,723.16

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Solution

The fourth proportional to 1,786,430,533.40, 2,679,773,786.94 and 476,325,723.16 is: 714,522,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,430,533.40 : 2,679,773,786.94 = 476,325,723.16 : x
  2. Step 2: Convert to fraction form
    1,786,430,533.40/2,679,773,786.94 = 476,325,723.16/x
  3. Step 3: Cross multiply
    1,786,430,533.40x = 2,679,773,786.94 × 476,325,723.16
  4. Step 4: Simplify right side
    1,786,430,533.40x = 1,276,445,186,969,407,488
  5. Step 5: Solve for x
    x = 1,276,445,186,969,407,488/1,786,430,533.40
  6. Step 6: Final answer
    x = 714,522,710.57

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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.