Home / 381,831,013.80-526,909,809.17-223,075,858.21

Finding the Fourth Proportional to 381,831,013.80, 526,909,809.17 and 223,075,858.21

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Solution

The fourth proportional to 381,831,013.80, 526,909,809.17 and 223,075,858.21 is: 307,834,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,831,013.80 : 526,909,809.17 = 223,075,858.21 : x
  2. Step 2: Convert to fraction form
    381,831,013.80/526,909,809.17 = 223,075,858.21/x
  3. Step 3: Cross multiply
    381,831,013.80x = 526,909,809.17 × 223,075,858.21
  4. Step 4: Simplify right side
    381,831,013.80x = 117,540,857,879,865,088
  5. Step 5: Solve for x
    x = 117,540,857,879,865,088/381,831,013.80
  6. Step 6: Final answer
    x = 307,834,758.39

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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.