Home / 869,232,669.60-1,303,849,004.40-287,056,768.80

Finding the Fourth Proportional to 869,232,669.60, 1,303,849,004.40 and 287,056,768.80

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Solution

The fourth proportional to 869,232,669.60, 1,303,849,004.40 and 287,056,768.80 is: 430,585,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,232,669.60 : 1,303,849,004.40 = 287,056,768.80 : x
  2. Step 2: Convert to fraction form
    869,232,669.60/1,303,849,004.40 = 287,056,768.80/x
  3. Step 3: Cross multiply
    869,232,669.60x = 1,303,849,004.40 × 287,056,768.80
  4. Step 4: Simplify right side
    869,232,669.60x = 374,278,682,206,161,024
  5. Step 5: Solve for x
    x = 374,278,682,206,161,024/869,232,669.60
  6. Step 6: Final answer
    x = 430,585,153.20

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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.