Home / 288,048,266.16-431,635,950.59-190,655,059.92

Finding the Fourth Proportional to 288,048,266.16, 431,635,950.59 and 190,655,059.92

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Solution

The fourth proportional to 288,048,266.16, 431,635,950.59 and 190,655,059.92 is: 285,693,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,048,266.16 : 431,635,950.59 = 190,655,059.92 : x
  2. Step 2: Convert to fraction form
    288,048,266.16/431,635,950.59 = 190,655,059.92/x
  3. Step 3: Cross multiply
    288,048,266.16x = 431,635,950.59 × 190,655,059.92
  4. Step 4: Simplify right side
    288,048,266.16x = 82,293,578,022,409,328
  5. Step 5: Solve for x
    x = 82,293,578,022,409,328/288,048,266.16
  6. Step 6: Final answer
    x = 285,693,710.71

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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.