Home / 299,559,968.90-449,339,953.35-266,116,948.10

Finding the Fourth Proportional to 299,559,968.90, 449,339,953.35 and 266,116,948.10

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Solution

The fourth proportional to 299,559,968.90, 449,339,953.35 and 266,116,948.10 is: 399,175,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,968.90 : 449,339,953.35 = 266,116,948.10 : x
  2. Step 2: Convert to fraction form
    299,559,968.90/449,339,953.35 = 266,116,948.10/x
  3. Step 3: Cross multiply
    299,559,968.90x = 449,339,953.35 × 266,116,948.10
  4. Step 4: Simplify right side
    299,559,968.90x = 119,576,977,044,898,368
  5. Step 5: Solve for x
    x = 119,576,977,044,898,368/299,559,968.90
  6. Step 6: Final answer
    x = 399,175,422.15

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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.