Home / 500,074,344.45-750,139,860.20-155,077,019.01

Finding the Fourth Proportional to 500,074,344.45, 750,139,860.20 and 155,077,019.01

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Solution

The fourth proportional to 500,074,344.45, 750,139,860.20 and 155,077,019.01 is: 232,624,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,074,344.45 : 750,139,860.20 = 155,077,019.01 : x
  2. Step 2: Convert to fraction form
    500,074,344.45/750,139,860.20 = 155,077,019.01/x
  3. Step 3: Cross multiply
    500,074,344.45x = 750,139,860.20 × 155,077,019.01
  4. Step 4: Simplify right side
    500,074,344.45x = 116,329,453,359,618,752
  5. Step 5: Solve for x
    x = 116,329,453,359,618,752/500,074,344.45
  6. Step 6: Final answer
    x = 232,624,318.07

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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.