Home / 381,831,009.99-526,909,803.91-223,075,854.39

Finding the Fourth Proportional to 381,831,009.99, 526,909,803.91 and 223,075,854.39

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Solution

The fourth proportional to 381,831,009.99, 526,909,803.91 and 223,075,854.39 is: 307,834,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,831,009.99 : 526,909,803.91 = 223,075,854.39 : x
  2. Step 2: Convert to fraction form
    381,831,009.99/526,909,803.91 = 223,075,854.39/x
  3. Step 3: Cross multiply
    381,831,009.99x = 526,909,803.91 × 223,075,854.39
  4. Step 4: Simplify right side
    381,831,009.99x = 117,540,854,695,108,848
  5. Step 5: Solve for x
    x = 117,540,854,695,108,848/381,831,009.99
  6. Step 6: Final answer
    x = 307,834,753.13

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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.