Home / 535,038,089.28-738,355,178.48-300,101,305.56

Finding the Fourth Proportional to 535,038,089.28, 738,355,178.48 and 300,101,305.56

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Solution

The fourth proportional to 535,038,089.28, 738,355,178.48 and 300,101,305.56 is: 414,141,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,038,089.28 : 738,355,178.48 = 300,101,305.56 : x
  2. Step 2: Convert to fraction form
    535,038,089.28/738,355,178.48 = 300,101,305.56/x
  3. Step 3: Cross multiply
    535,038,089.28x = 738,355,178.48 × 300,101,305.56
  4. Step 4: Simplify right side
    535,038,089.28x = 221,581,353,028,834,816
  5. Step 5: Solve for x
    x = 221,581,353,028,834,816/535,038,089.28
  6. Step 6: Final answer
    x = 414,141,268.57

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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.