Home / 629,424,038.40-944,986,363.20-399,841,526.40

Finding the Fourth Proportional to 629,424,038.40, 944,986,363.20 and 399,841,526.40

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Solution

The fourth proportional to 629,424,038.40, 944,986,363.20 and 399,841,526.40 is: 600,302,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,424,038.40 : 944,986,363.20 = 399,841,526.40 : x
  2. Step 2: Convert to fraction form
    629,424,038.40/944,986,363.20 = 399,841,526.40/x
  3. Step 3: Cross multiply
    629,424,038.40x = 944,986,363.20 × 399,841,526.40
  4. Step 4: Simplify right side
    629,424,038.40x = 377,844,789,889,072,768
  5. Step 5: Solve for x
    x = 377,844,789,889,072,768/629,424,038.40
  6. Step 6: Final answer
    x = 600,302,446.11

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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.