Home / 319,429,126.32-440,816,477.34-180,199,457.52

Finding the Fourth Proportional to 319,429,126.32, 440,816,477.34 and 180,199,457.52

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Solution

The fourth proportional to 319,429,126.32, 440,816,477.34 and 180,199,457.52 is: 248,677,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,429,126.32 : 440,816,477.34 = 180,199,457.52 : x
  2. Step 2: Convert to fraction form
    319,429,126.32/440,816,477.34 = 180,199,457.52/x
  3. Step 3: Cross multiply
    319,429,126.32x = 440,816,477.34 × 180,199,457.52
  4. Step 4: Simplify right side
    319,429,126.32x = 79,434,890,082,545,376
  5. Step 5: Solve for x
    x = 79,434,890,082,545,376/319,429,126.32
  6. Step 6: Final answer
    x = 248,677,667.56

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1.5x scale

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.