Home / 462,226,455.12-692,905,665.22-155,303,924.88

Finding the Fourth Proportional to 462,226,455.12, 692,905,665.22 and 155,303,924.88

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Solution

The fourth proportional to 462,226,455.12, 692,905,665.22 and 155,303,924.88 is: 232,810,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,226,455.12 : 692,905,665.22 = 155,303,924.88 : x
  2. Step 2: Convert to fraction form
    462,226,455.12/692,905,665.22 = 155,303,924.88/x
  3. Step 3: Cross multiply
    462,226,455.12x = 692,905,665.22 × 155,303,924.88
  4. Step 4: Simplify right side
    462,226,455.12x = 107,610,969,380,253,312
  5. Step 5: Solve for x
    x = 107,610,969,380,253,312/462,226,455.12
  6. Step 6: Final answer
    x = 232,810,061.36

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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.