Home / 500,074,314.32-750,139,815-155,076,988.88

Finding the Fourth Proportional to 500,074,314.32, 750,139,815 and 155,076,988.88

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Solution

The fourth proportional to 500,074,314.32, 750,139,815 and 155,076,988.88 is: 232,624,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,074,314.32 : 750,139,815 = 155,076,988.88 : x
  2. Step 2: Convert to fraction form
    500,074,314.32/750,139,815 = 155,076,988.88/x
  3. Step 3: Cross multiply
    500,074,314.32x = 750,139,815 × 155,076,988.88
  4. Step 4: Simplify right side
    500,074,314.32x = 116,329,423,749,200,256
  5. Step 5: Solve for x
    x = 116,329,423,749,200,256/500,074,314.32
  6. Step 6: Final answer
    x = 232,624,272.87

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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.