Home / 531,145,931.40-796,718,897.10-440,446,667.40

Finding the Fourth Proportional to 531,145,931.40, 796,718,897.10 and 440,446,667.40

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Solution

The fourth proportional to 531,145,931.40, 796,718,897.10 and 440,446,667.40 is: 660,670,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,145,931.40 : 796,718,897.10 = 440,446,667.40 : x
  2. Step 2: Convert to fraction form
    531,145,931.40/796,718,897.10 = 440,446,667.40/x
  3. Step 3: Cross multiply
    531,145,931.40x = 796,718,897.10 × 440,446,667.40
  4. Step 4: Simplify right side
    531,145,931.40x = 350,912,183,082,298,496
  5. Step 5: Solve for x
    x = 350,912,183,082,298,496/531,145,931.40
  6. Step 6: Final answer
    x = 660,670,001.10

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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.