Home / 621,423,461.32-932,257,985.88-227,953,940.82

Finding the Fourth Proportional to 621,423,461.32, 932,257,985.88 and 227,953,940.82

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Solution

The fourth proportional to 621,423,461.32, 932,257,985.88 and 227,953,940.82 is: 341,975,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,423,461.32 : 932,257,985.88 = 227,953,940.82 : x
  2. Step 2: Convert to fraction form
    621,423,461.32/932,257,985.88 = 227,953,940.82/x
  3. Step 3: Cross multiply
    621,423,461.32x = 932,257,985.88 × 227,953,940.82
  4. Step 4: Simplify right side
    621,423,461.32x = 212,511,881,742,261,920
  5. Step 5: Solve for x
    x = 212,511,881,742,261,920/621,423,461.32
  6. Step 6: Final answer
    x = 341,975,955.16

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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.