Home / 424,168,555.89-636,246,431.37-190,834,494.98

Finding the Fourth Proportional to 424,168,555.89, 636,246,431.37 and 190,834,494.98

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Solution

The fourth proportional to 424,168,555.89, 636,246,431.37 and 190,834,494.98 is: 286,248,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,168,555.89 : 636,246,431.37 = 190,834,494.98 : x
  2. Step 2: Convert to fraction form
    424,168,555.89/636,246,431.37 = 190,834,494.98/x
  3. Step 3: Cross multiply
    424,168,555.89x = 636,246,431.37 × 190,834,494.98
  4. Step 4: Simplify right side
    424,168,555.89x = 121,417,766,410,139,952
  5. Step 5: Solve for x
    x = 121,417,766,410,139,952/424,168,555.89
  6. Step 6: Final answer
    x = 286,248,861.98

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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.