Home / 447,259,243,307.40-670,983,100,157.01-145,048,281,356.16

Finding the Fourth Proportional to 447,259,243,307.40, 670,983,100,157.01 and 145,048,281,356.16

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Solution

The fourth proportional to 447,259,243,307.40, 670,983,100,157.01 and 145,048,281,356.16 is: 217,602,982,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,259,243,307.40 : 670,983,100,157.01 = 145,048,281,356.16 : x
  2. Step 2: Convert to fraction form
    447,259,243,307.40/670,983,100,157.01 = 145,048,281,356.16/x
  3. Step 3: Cross multiply
    447,259,243,307.40x = 670,983,100,157.01 × 145,048,281,356.16
  4. Step 4: Simplify right side
    447,259,243,307.40x = 97,324,945,496,802,475,376,640
  5. Step 5: Solve for x
    x = 97,324,945,496,802,475,376,640/447,259,243,307.40
  6. Step 6: Final answer
    x = 217,602,982,952.58

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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.