Home / 443,287,916.88-665,075,400.84-213,227,064.24

Finding the Fourth Proportional to 443,287,916.88, 665,075,400.84 and 213,227,064.24

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Solution

The fourth proportional to 443,287,916.88, 665,075,400.84 and 213,227,064.24 is: 319,909,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,287,916.88 : 665,075,400.84 = 213,227,064.24 : x
  2. Step 2: Convert to fraction form
    443,287,916.88/665,075,400.84 = 213,227,064.24/x
  3. Step 3: Cross multiply
    443,287,916.88x = 665,075,400.84 × 213,227,064.24
  4. Step 4: Simplify right side
    443,287,916.88x = 141,812,075,219,354,448
  5. Step 5: Solve for x
    x = 141,812,075,219,354,448/443,287,916.88
  6. Step 6: Final answer
    x = 319,909,633.94

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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.