Home / 443,208,945.30-664,813,417.95-407,496,110.10

Finding the Fourth Proportional to 443,208,945.30, 664,813,417.95 and 407,496,110.10

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Solution

The fourth proportional to 443,208,945.30, 664,813,417.95 and 407,496,110.10 is: 611,244,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,208,945.30 : 664,813,417.95 = 407,496,110.10 : x
  2. Step 2: Convert to fraction form
    443,208,945.30/664,813,417.95 = 407,496,110.10/x
  3. Step 3: Cross multiply
    443,208,945.30x = 664,813,417.95 × 407,496,110.10
  4. Step 4: Simplify right side
    443,208,945.30x = 270,908,881,756,910,560
  5. Step 5: Solve for x
    x = 270,908,881,756,910,560/443,208,945.30
  6. Step 6: Final answer
    x = 611,244,165.15

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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.