Home / 450,169,359.30-621,220,369.05-249,235,185.87

Finding the Fourth Proportional to 450,169,359.30, 621,220,369.05 and 249,235,185.87

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Solution

The fourth proportional to 450,169,359.30, 621,220,369.05 and 249,235,185.87 is: 343,937,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,169,359.30 : 621,220,369.05 = 249,235,185.87 : x
  2. Step 2: Convert to fraction form
    450,169,359.30/621,220,369.05 = 249,235,185.87/x
  3. Step 3: Cross multiply
    450,169,359.30x = 621,220,369.05 × 249,235,185.87
  4. Step 4: Simplify right side
    450,169,359.30x = 154,829,974,146,406,752
  5. Step 5: Solve for x
    x = 154,829,974,146,406,752/450,169,359.30
  6. Step 6: Final answer
    x = 343,937,167.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.