Home / 809,145,075.90-1,116,620,205.10-437,867,107.40

Finding the Fourth Proportional to 809,145,075.90, 1,116,620,205.10 and 437,867,107.40

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Solution

The fourth proportional to 809,145,075.90, 1,116,620,205.10 and 437,867,107.40 is: 604,256,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,145,075.90 : 1,116,620,205.10 = 437,867,107.40 : x
  2. Step 2: Convert to fraction form
    809,145,075.90/1,116,620,205.10 = 437,867,107.40/x
  3. Step 3: Cross multiply
    809,145,075.90x = 1,116,620,205.10 × 437,867,107.40
  4. Step 4: Simplify right side
    809,145,075.90x = 488,931,259,271,531,648
  5. Step 5: Solve for x
    x = 488,931,259,271,531,648/809,145,075.90
  6. Step 6: Final answer
    x = 604,256,608.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.