Home / 318,870,509.34-440,050,629.27-186,699,139.74

Finding the Fourth Proportional to 318,870,509.34, 440,050,629.27 and 186,699,139.74

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Solution

The fourth proportional to 318,870,509.34, 440,050,629.27 and 186,699,139.74 is: 257,650,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,870,509.34 : 440,050,629.27 = 186,699,139.74 : x
  2. Step 2: Convert to fraction form
    318,870,509.34/440,050,629.27 = 186,699,139.74/x
  3. Step 3: Cross multiply
    318,870,509.34x = 440,050,629.27 × 186,699,139.74
  4. Step 4: Simplify right side
    318,870,509.34x = 82,157,073,926,754,672
  5. Step 5: Solve for x
    x = 82,157,073,926,754,672/318,870,509.34
  6. Step 6: Final answer
    x = 257,650,273.45

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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.