Home / 839,808,110.40-1,259,712,165.60-472,476,091.20

Finding the Fourth Proportional to 839,808,110.40, 1,259,712,165.60 and 472,476,091.20

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Solution

The fourth proportional to 839,808,110.40, 1,259,712,165.60 and 472,476,091.20 is: 708,714,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,110.40 : 1,259,712,165.60 = 472,476,091.20 : x
  2. Step 2: Convert to fraction form
    839,808,110.40/1,259,712,165.60 = 472,476,091.20/x
  3. Step 3: Cross multiply
    839,808,110.40x = 1,259,712,165.60 × 472,476,091.20
  4. Step 4: Simplify right side
    839,808,110.40x = 595,183,880,039,775,104
  5. Step 5: Solve for x
    x = 595,183,880,039,775,104/839,808,110.40
  6. Step 6: Final answer
    x = 708,714,136.80

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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.